FACTOID # 22: South Dakota has the highest employment ratio in America, but the lowest median earnings of full-time male employees.
 
 Home   Encyclopedia   Statistics   States A-Z   Flags   Maps   FAQ   About 
   
 
WHAT'S NEW
 

SEARCH ALL

FACTS & STATISTICS    Advanced view

Search encyclopedia, statistics and forums:

 

 

(* = Graphable)

 

 


Encyclopedia > Digital photography
10 MP Nikon D200 and a Nikon film scanner
10 MP Nikon D200 and a Nikon film scanner

Digital photography is a form of photography that utilizes digital technology to make digital images of subjects. Until the advent of digital technology, photography used photographic film to create images which could be made visible by photographic processing. Digital images can be displayed, printed, stored, manipulated, transmitted, and archived using digital and computer techniques, without chemical processing. Image File history File links Merge-arrows. ... Look up digital camera in Wiktionary, the free dictionary. ... Image File history File links Coolscan-V.jpg‎ Photo © by Jeff Dean File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Image File history File links Coolscan-V.jpg‎ Photo © by Jeff Dean File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... A film scanner is a specialized device made for scanning photographic film, either in standard 35mm format, slides, or medium format. ... Image File history File links Download high-resolution version (2000x1330, 911 KB) Other versions File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Canon EOS 350D Wikipedia:Featured picture candidates/June-2006 Wikipedia:Featured picture candidates/Canon EOS 350D... Image File history File links Download high-resolution version (2000x1330, 911 KB) Other versions File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Canon EOS 350D Wikipedia:Featured picture candidates/June-2006 Wikipedia:Featured picture candidates/Canon EOS 350D... The Canon EOS 350D is an 8. ... Image File history File links Download high resolution version (1600x1067, 173 KB) Canon Powershot A95 File links The following pages link to this file: Wikipedia:Featured picture candidates Canon PowerShot A95 Wikipedia:Featured picture candidates/Canon a95 ... Image File history File links Download high resolution version (1600x1067, 173 KB) Canon Powershot A95 File links The following pages link to this file: Wikipedia:Featured picture candidates Canon PowerShot A95 Wikipedia:Featured picture candidates/Canon a95 ... This article needs to be cleaned up to conform to a higher standard of quality. ... Photography [fәtɑgrәfi:],[foʊtɑgrәfi:] is the process of recording pictures by means of capturing light on a light-sensitive medium, such as a film or electronic sensor. ... For other uses, see Digital (disambiguation). ... A digital image is a representation of a two-dimensional image as a finite set of digital values, called picture elements or pixels. ... This article or section does not cite its references or sources. ... It has been suggested that this article or section be merged with photographic developer. ... This article is about the machine. ...


Digital photography is one of several forms of digital imaging. Digital images are also created by non-photographic equipment such as computer tomography scanners and radio telescopes. Digital images can also be made by scanning conventional photographic images. Digital imaging or digital image acquisition is the creation of digital images, typically from a physical object. ... CT apparatus in a hospital Computed tomography (CT), originally known as computed axial tomography (CAT or CT scan) and body section roentgenography, is a medical imaging method employing tomography where digital geometry processing is used to generate a three-dimensional image of the internals of an object from a large... The 64 meter radio telescope at Parkes Observatory A radio telescope is a form of directional radio antenna used in radio astronomy and in tracking and collecting data from satellites and space probes. ... In computing, a scanner is a device that analyzes images, printed text, or handwriting, or an object (such as an ornament) and converts it to a digital image. ...

Contents

History

Main article: Digital camera#History

Look up digital camera in Wiktionary, the free dictionary. ...

Sensors and storage

Sensors read the intensity of light as filtered through different color filters, and digital memory devices store the digital image information, either as RGB color space or as raw data. In physics, intensity is a measure of the time-averaged energy flux. ... A source four ERS, gelled a light yellow color. ... The terms storage (U.K.) or memory (U.S.) refer to the parts of a digital computer that retain physical state (data) for some interval of time, possibly even after electrical power to the computer is turned off. ... An RGB color space is any additive color space based on the RGB color model. ... A raw image file contains minimally processed data from the image sensor of a digital camera or image scanner. ...


There are two main types of sensors:

Nearly all digital cameras now use built in and/or removable solid state flash memory. Digital camcorders that double as a digital still camera use flash memory, discs and internal hard disks. For a time floppy disks and mini-CDs were used in early digital cameras such as the Sony Mavica range. A specially developed CCD used for ultraviolet imaging in a wire bonded package. ... For other uses, see CMOS (disambiguation). ... A high-tech CMOS imager, mainly developed for medical imaging. ... A USB flash drive. ... Mavica FD5, the first digital model. ...


Multifunctionality and connectivity

Except for some linear array type of cameras at the highest-end and simple web cams at the lowest-end, a digital memory device (usually flash memory; floppy disks and CD-RWs are less common) is usually used for storing images, which may then be transferred to a computer later. A specially developed CCD used for ultraviolet imaging in a wire bonded package. ... A web camera (or webcam) is a real time camera whose images can be accessed using the World Wide Web, instant messaging, or a PC video calling application. ... The terms storage (U.K.) or memory (U.S.) refer to the parts of a digital computer that retain physical state (data) for some interval of time, possibly even after electrical power to the computer is turned off. ... A USB flash drive. ... A floppy disk is a data storage device that is composed of a disk of thin, flexible (floppy) magnetic storage medium encased in a square or rectangular plastic shell. ... Compact Disc ReWritable (CD-RW) is a rewritable optical disc format. ... This article is about the machine. ...


Digital cameras can take pictures and sometimes additionally record sound and video. Some can be used as webcams, some can use the PictBridge standard to connect to a printer without using a computer, and some can display pictures directly on a television set. Similarly, many camcorders can take still photographs, and store them on videotape or on flash memorycards. A typical webcam Webcams are small cameras, (usually, though not always, video cameras) whose images can be accessed using the World Wide Web, instant messaging, or a PC video conferencing application. ... PictBridge is an industry standard from the Camera & Imaging Products Association (CIPA) for direct printing. ... Sony DV Handycam A camcorder is a portable electronic device for recording video images and audio onto an internal storage device. ... Bottom view of VHS videotape cassette with magnetic tape exposed Videotape is a means of recording images and sound onto magnetic tape as opposed to movie film. ... A USB flash drive. ...


Performance metrics

The quality of a digital image is the sum of various factors, many of which are similar to film cameras. Pixel count (typically listed in megapixels, millions of pixels) is only one of the major factors, though it is the most heavily marketed. Pixel count metrics were created by the marketing organizations of digital camera manufacturers because consumers can use it to easily compare camera capabilities. It is not, however, the major factor in evaluating a digital camera. The processing system inside the camera that turns the raw data into a color-balanced and pleasing photograph is the most critical, which is why some 4+ megapixel cameras perform better than higher-end cameras. This article is about the picture element. ... A pixel (a contraction of picture element) is one of the many tiny dots that make up the representation of a picture in a computers memory. ...

  • Lens quality: resolution, distortion, dispersion (see Lens (optics))
  • Capture medium: CMOS, CCD, Negative film, Reversal Film etc.
  • Capture format: pixel count, digital file type (RAW, TIFF, JPEG), film format (135 film, 120 film, 5x4, 10x8).
  • Processing: digital and / or chemical processing of 'negative' and 'print'.

This article is about the optical device. ... A camera raw image file contains the unprocessed data from the image sensor of a digital camera. ... This article is about TIFF, the computer image format. ... JPG redirects here. ... // Movie film formats Amateur formats: 8 mm Single-8 Super 8 mm Polavision 9,5 mm film 17. ... 135 Film Size, Kodak Tri-X 400 speed 135 (ISO 1007) is a film format for still photography. ... 120 is a film format for still photography introduced by Kodak for their Brownie No. ...

Pixel counts

The number of pixels n for a given maximum resolution (w horizontal pixels by h vertical pixels) is the product n = w × h. This yields e. g. 1.92 megapixels (1,920,000 pixels) for an image of 1600 × 1200. The majority of compact (not SLR) digital cameras have a 4:3 aspect ratio, i.e. w/h = 4/3. [1]. According to Digital Photography Review, the 4:3 ratio is because "computer monitors are 4:3 ratio, old CCD's always had a 4:3 ratio, and thus digital cameras inherited this aspect ratio."[1] This article is about the picture element. ... Image resolution describes the detail an image holds. ... For other uses, see Aspect ratio. ...


The pixel count quoted by manufacturers can be misleading as it may not be the number of full-colour pixels. For cameras using single-chip image sensors the number claimed is the total number of single-colour-sensitive photosensors, whether they have different locations in the plane, as with the Bayer sensor, or in stacks of three co-located photosensors as in the Foveon X3 sensor. However, the images will have different numbers of RGB pixels: the Bayer-sensor cameras produce as many RGB pixels as photosensors via demosaicing (interpolation), while the cameras with Foveon sensors produce uninterpolated image files with one-third as many RGB pixels as photosensors. It is not possible to directly compare the resolutions based on the megapixel ratings of these two types of sensors. A dismantled USB webcam, with and without a lens over its (Bayer format) image sensor. ... A Bayer sensor is an image sensor which uses a Bayer filter to create a color image. ... The Foveon X3 sensor is an image sensor for digital cameras produced by Foveon, Inc. ... A demosaicing algorithm is a digital image process used to interpolate a complete image from the partial raw data received from the color-filtered image sensor internal to many digital cameras in form of a matrix of colored pixels. ...


Resolution

Resolution provides an indication of the amount of detail that is captured, but, like the other metrics, resolution is just another factor out of many in determining the quality of an image. Furthermore, different methods of creating an image make it impossible to compare the resolutions of cameras simply based on the number of pixels produced by the image sensor. For example, the Sigma SD14 camera uses Foveon technology, which is quite different from most other digital cameras. It claims to be a 14 megapixel camera, but is generally considered to have detail-capturing capabilities roughly equivalent to 9 megapixels in terms of Bayer sensors. [2] A dismantled USB webcam, with and without a lens over its (Bayer format) image sensor. ... The Sigma SD14 is a digital single-lens reflex camera produced by the Sigma Corporation of Japan. ... Foveon, Inc. ... The Bayer arrangement of color filters on the pixel array of an image sensor Front page of Dr. Bryce Bayers 1976 patent on the Bayer pattern filter mosaic, showing his terminology of luminance-sensitive and chrominance-sensitive elements A Bayer filter mosaic is a color filter array (CFA) for...


The relative increase in detail resulting from an increase in resolution is better compared by looking at the number of pixels across (or down) the picture, rather than the total number of pixels in the picture area. For example, a sensor of 2560 × 1600 sensor elements is described as "4 megapixels" (2560 × 1600 = 4,096,000). Increasing to 3200 × 2048 increases the pixels in the picture to 6,553,600 (6.5 megapixels), a factor of 1.6, but the pixels per cm in the picture (at the same image size) increases by only 1.25 times. A measure of the comparative increase in linear resolution is the square root of the increase in area resolution, i.e., megapixels in the entire image.


Resolution in pixels is not the only measure of image quality; a larger sensor with the same number of pixels will generally produce a better image than a smaller one. One of the most important differences is an improvement in visual noise. This is one of the advantages of digital SLR cameras, which have larger sensors than simpler cameras of the same resolution. Noise clearly visible in this image (Canon A70) Image noise corresponds to visible grain or particles present in the image. ...


Dynamic range

Practical imaging systems, digital and film, have a limited dynamic range which can be reproduced accurately. Highlights of the subject which are too bright will be rendered as white, with no detail; shadows which are too dark will be rendered as black. The loss of detail is not abrupt with film, or in dark shadows with digital sensors: some detail is retained as brightness moves out of the dynamic range. "Highlight burn-out" of digital sensors, however, can be abrupt, and highlight detail may be lost. And as the sensor elements for different colors saturate in turn, there can be gross hue shift in burnt-out highlights. For other uses, see Dynamic range (disambiguation). ... Highlighters A highlighter is a form of marker pen which is used to highlight sections of documents in a vivid colour, while leaving the content beneath the marking unobscured. ... Shadows on pavement A shadow is a region of darkness where light is blocked. ...


Some digital cameras can show these blown highlights in the image review, allowing the photographer to re-shoot the picture with a modified exposure. Others compensate for the total contrast of a scene by selectively exposing darker pixels longer. A third technique is used by Fujifilm in its FinePix S3 Pro digital SLR. The image sensor contains additional photodiodes of lower sensitivity than the main ones; these retain detail in parts of the image too bright for the main sensor. The Fujifilm FinePix S3 Pro is an interchangeable lens digital single-lens reflex camera introduced in February of 2004. ... Photodiode closeup A photodiode A photodiode is a semiconductor diode that functions as a photodetector. ...


High dynamic range imaging (HDR) addresses this issue by increasing the dynamic range of images by either An example of a rendering of a high dynamic range image into an 8-bit JPEG image (for display on a typical low dynamic-range computer screen). ...

  • increasing the dynamic range of the image sensor or
  • by using exposure bracketing and post-processing the separate images to create a single image with a higher dynamic range.

HDR images curtail burn-outs and black-outs by increasing the bits stored per pixel. For other uses, see Bracketing (disambiguation). ...


Applications and considerations

With the acceptable image quality and the other advantages of digital photography (particularly the time pressures of vital importance to daily newspapers) the majority of professional news photographers have begun capturing their images with digital cameras.


Digital photography has also been adopted by many amateur snapshot photographers, who take advantage of the convenience of the form when sending images by email, placing them on the World Wide Web, or displaying them in digital picture frames. Digital cameras have also been integrated into many cell phones, although, because of the small, poor quality lenses and sensors in most of these phones, the quality of these pictures makes them unsuitable for making even moderate size prints. The snapshot is a concept in photography introduced by Eastman Kodak with their Brownie box camera in 1900: A casual photograph taken without any particular pre-arrangement, often of every day events. ... E-mail, or email, is short for electronic mail and is a method of composing, sending, and receiving messages over electronic communication systems. ... WWWs historical logo designed by Robert Cailliau The World Wide Web (commonly shortened to the Web) is a system of interlinked, hypertext documents accessed via the Internet. ... Motorola T2288 mobile phone A mobile phone is a portable electronic device which behaves as a normal telephone whilst being able to move over a wide area (compare cordless phone which acts as a telephone only within a limited range). ...


Some commercial photographers, and some amateurs interested in artistic photography, have been resistant to using digital rather than film cameras because they believe that the image quality available from a digital camera is still inferior to that available from a film camera, and the quality of images taken on medium format film is near-impossible to match at any price with a digital camera. Some have expressed a concern that changing computer technology may make digital photographs inaccessible in the future. A related concern in a specialized application is the use of digital photographs in court proceedings, with the added difficulty of demonstrating an image's authenticity. Some high-end film can also still be projected for viewing at a much higher optical resolution than even the best digital projectors. A photographer at the Calgary Folk Music Festival Paparazzi at the Tribeca Film Festival A photographer is a person who takes a photograph using a camera. ... This article or section does not cite its references or sources. ...


Other commercial photographers, and many amateurs, have enthusiastically embraced digital photography because they believe that its flexibility and lower long-term costs outweigh its initial price disadvantages. Almost all of the cost of digital photography is capital cost, meaning that the cost is for the equipment needed to store and copy the images, and once purchased requires virtually no further expense outlay. Film photography requires continuous expenditure of funds for supplies and developing, although the equipment itself does not outdate so quickly and has a longer service life. Some commercial photographers have also begun moving to digital technology because of the tremendous editing capabilities now offered on computers. The photographer is able to color-balance and manipulate the image in ways that traditional darkroom techniques cannot offer, although film users can utilize the same technology with a film scanner. With fully color-balanced systems from the camera to the monitor to the printer, the photographer can now print what is actually seen on the screen.


However, digital cameras require batteries that need to be recharged or replaced frequently, and this means that a photographer needs access to electrical outlets. Digital cameras also tend to be much more sensitive to moisture and extreme cold. For this reason, photographers who work in remote areas may favour film SLR cameras, though many higher-end DSLRs are now equipped with 'weather-proof' bodies. Medium- and large-format film cameras are also still preferred by publications insisting on the very highest detail and resolution, such as Arizona Highways. Cover of Arizona Highways, September, 1955. ...


Digital photography was used in astronomy long before its use by the general public and had almost completely displaced photographic plates by the early 1980s. Not only are CCDs more sensitive to light than plates, but they have a much more uniform and predictable response, and the information can be downloaded onto a computer for data analysis. The CCDs used in astronomy are similar to those used by the general public, but are generally monochrome and cooled with liquid nitrogen so as to reduce the noise caused by heat. Many astronomical instruments have arrays of many CCDs, sometimes totaling almost a billion pixels. Nowadays amateur astronomers also commonly use digital cameras, including the use of webcams for speckle imaging or "video astronomy". For other uses, see Astronomy (disambiguation). ... Data analysis is the act of transforming data with the aim of extracting useful information and facilitating conclusions. ... A tank of liquid nitrogen, used to supply a cryogenic freezer (for storing laboratory samples at a temperature of about -150 Celsius). ... This article is about noise as in sound. ... A typical webcam Webcams are small cameras, (usually, though not always, video cameras) whose images can be accessed using the World Wide Web, instant messaging, or a PC video conferencing application. ... Speckle imaging (also known as video astronomy) describes a range of high-resolution astronomical imaging techniques based either on the shift-and-add (image stacking) method or on speckle interferometry methods. ...


Sensor size and angle of view

Cameras with digital sensors that are smaller than the typical 35mm film size will have a smaller field or angle of view when used with a lens of the same focal length. This is because angle of view is a function of both focal length and the sensor or film size used. A cameras angle of view can be measured horizontally, vertically, or diagonally. ... This article is about focal length related to lenses and systems of lenses. ...


Image:kids 50mm 100mm.jpg a comparison of film and CCD File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ...


If a sensor smaller than the full-frame 35mm film format is used, such as the use of APS-C-sized digital sensors in DSLRs, then the field of view is cropped by the sensor to smaller than the 35mm full-frame format's field of view. This narrowing of the field of view is often described in terms of a focal length multliplier or crop factor, a factor by which a longer focal length lens would be needed to get the same field of view on a full-frame camera. Simulated 35 mm film with soundtracks _ The outermost strips (on either side) contain the SDDS soundtrack as an image of a digital signal. ... Advanced Photo System type-C (APC-C) is a type of sensor used in digital Single Lens Reflex cameras, also called dSLRs. ... An example of a modern digital SLR (the Pentax K10D), without a lens installed. ... This term emanates from DSLR technology. ...


If the digital sensor has approximately the same resolution (effective pixels per unit area) as the 35mm film surface (24 x 36 mm), then the result is similar to taking the image from the film camera and cutting it down (cropping) to the size of the sensor. For an APS-C size sensor, this would be a reduction to approximately the center 50% of the image. The cheaper, non-SLR models of digital cameras typically use much smaller sensor sizes and the reduction would be greater.


If the digital sensor has a higher or lower density of pixels per unit area than the film equivalent, then the amount of information captured will differ correspondingly. While resolution can be estimated in pixels per unit area, the comparison is complex since most types of digital sensor record only a single colour at each pixel location, and different types of film will have different effective resolutions. There are various trade-offs involved, since larger sensors are more expensive to manufacture and require larger lenses, while sensors with higher numbers of pixels per unit area are likely to suffer higher noise levels.


For these reasons, it is possible to obtain cheap digital cameras with sensor sizes much smaller than 35mm film, but with high pixel counts, that can still produce high-resolution images. Such cameras are usually supplied with lenses that would be classed as extremely wide angle on a 35mm camera, and which can also be smaller size and less expensive, since there is a smaller sensor to illuminate. For example, a camera with a 1/1.8" sensor has a 5.0x field of view crop, and so a hypothetical 5-50mm zoom lens will produce images that look similar (again the differences mentioned above are important) to those produced by a 35mm film camera with a 25–250mm lens, while being much more compact than such a lens for a 35mm camera since the imaging circle is much smaller.


This can be useful if extra telephoto reach is desired, as a certain lens on an APS sensor will produce an equivalent image to a significantly longer lens on a 35mm film camera shot at the same distance from the subject, the equivalent length of which depends on the camera's field of view crop. This is sometimes referred to as the focal length multiplier, but the focal length is a physical attribute of the lens and not the camera system itself. The downside to this is that wide angle photography is made somewhat more difficult, as the smaller sensor effectively and undesirably reduces the captured field of view. Some methods of compensating for this or otherwise producing much wider digital photographs involve using a fisheye lens and "defishing" the image in post processing to simulate a rectilinear wide angle lens. Fisheye 15 mm (type: equisolid angle), 35 mm-film, cropped by slide-frame. ... In photography, a rectilinear lens is a photographic lens that yields images where straight features, such as the walls of buildings, appear with straight lines, as opposed to being curved. ...


Full-frame digital SLRs, that is, those with sensor size matching a frame of 35mm film, include Canon 1DS, 1DS II, and 5D, Kodak Pro DCS-14n, and Contax N Digital. There are very few digital cameras with sensors that can approach the resolution of larger-format film cameras, with the possible exception of the Mamiya ZD (22MP) and the Hasselblad H3D series of DSLRs (22 to 39 MP). A full-frame digital SLR is a digital single-lens reflex camera fitted with an image sensor that is the same size as a 35 mm negative. ... Mamiya C330 twin-lens reflex camera Mamiya 645 Super Mamiya RZ67 Pro I 35mm SLR Mamiya ZE Mamiya-OP Co. ... This article is about Victor Hasselblad AB, the Swedish company. ... A digital single lens reflex or DSLR camera is a single-lens reflex camera (SLR) which records images using an electronic sensor (Usually a CCD or CMOS chip) instead of film. ...


Common values for field of view crop in DSLRs include 1.3x for some Canon sensors, 1.5x for Sony APS-C sensors used by Nikon, Pentax and Konica Minolta and for Fujifilm sensors, 1.6 (APS-C) for most Canon sensors, ~1.7x for Sigma's Foveon sensors and 2x for Kodak and Panasonic 4/3" sensors currently used by Olympus and Panasonic. Crop factors for non-SLR consumer compact and bridge cameras are larger, frequently 4x or more. Canon Inc. ... Sony Corporation ) is a Japanese multinational corporation and one of the worlds largest media conglomerates with revenue of $66. ... For other uses, see Nikon (disambiguation). ... Pentax Corporation ) (TYO: 7750 ) is a Japanese company founded in 1919 as Asahi Optical Joint Stock Co. ... Konica Minolta Holdings, Inc. ... Fujifilm Holdings Corporation or Fujifilm ) is a Japanese company known for its photographic film and cameras. ... Sigma Corporation ) is a Japanese company manufacturing cameras, lenses, flashes and other photographic accessories. ... Foveon, Inc. ... Eastman Kodak Company (NYSE: EK) is a large multinational public company producing photographic equipment. ... Panasonic is an international brand name for Japanese electric products manufacturer Matsushita Electric Industrial Co. ... This article refers to a Japanese camera maker. ... Panasonic is an international brand name for Japanese electric products manufacturer Matsushita Electric Industrial Co. ... the Panasonic DMC-FZ20 Bridge digital cameras are a kind of digital cameras occupied a niche which draws a bridge between digital single-lens reflex cameras and compact digital cameras. ...

Drawing showing the relative sizes of sensors used in most current digital cameras.
Table of sensor sizes [3]
Type Width (mm) Height (mm) Size (mm²)
1/3.6" 4.00 3.00 12.0
1/3.2" 4.54 3.42 15.5
1/3" 4.80 3.60 17.3
1/2.7" 5.37 4.04 21.7
1/2.5" 5.76 4.29 24.7
1/2" 6.40 4.80 30.7
1/1.8" 7.18 5.32 38.2
1/1.7" 7.60 5.70 43.3
2/3" 8.80 6.60 58.1
1" 12.8 9.6 123
4/3" 18.0 13.5 243
APS-C 25.1 16.7 419
35 mm 36 24 864
Back 48 36 1728

Image File history File links Size of this preview: 421 × 599 pixelsFull resolution‎ (433 × 616 pixels, file size: 17 KB, MIME type: image/png) Diagram comparing imaging sensor sizes as used in digital cameras. ... Image File history File links Size of this preview: 421 × 599 pixelsFull resolution‎ (433 × 616 pixels, file size: 17 KB, MIME type: image/png) Diagram comparing imaging sensor sizes as used in digital cameras. ... A millimetre (American spelling: millimeter), symbol mm is an SI unit of length that is equal to one thousandth of a metre. ... A millimetre (American spelling: millimeter), symbol mm is an SI unit of length that is equal to one thousandth of a metre. ... A Square Meter Quadrat made of PVC pipe. ... Advanced Photo System type-C (APC-C) is a type of sensor used in digital Single Lens Reflex cameras, also called dSLRs. ... 135 Film Size, Kodak Tri-X 400 speed 135 (ISO 1007) is a film format for still photography. ...

Storage

Main article: Digital camera#Storage

Storage for digital cameras have increased in size and technology with the time. From magnetic tape (Steven Sasson's 1975 prototype) to floppy disks to flash memory. Look up digital camera in Wiktionary, the free dictionary. ... Steven J. Sasson (1950—) is an electrical engineer and the inventor of the digital camera. ... A floppy disk is a data storage device that is composed of a disk of thin, flexible (floppy) magnetic storage medium encased in a square or rectangular plastic shell. ... A USB flash drive. ...


Digital camera backs

Main article: digital camera back

Most digital cameras are built to operate as a self-contained unit. This is especially so at the lower-end, for these cameras usually include zoom lens and flashes that cannot be changed. However, at the highest-end, some digital cameras are nothing but a sophisticated light-sensing unit. Experienced photographers attach these digital "camera backs" to their professional medium format SLR cameras, such as a Hasselblad. A digital camera back is an item of high-end digital photography equipment. ... A Canon Inc. ... A photographic flash is a device that produces a flash of light required for indoor or other low light conditions. ... This article or section does not cite its references or sources. ... This article is about SLR cameras in general. ... This article is about Victor Hasselblad AB, the Swedish company. ...

  • Area array
    • CCD
    • CMOS
  • Linear array
    • CCD (monochrome)
    • 3-strip CCD with color filters

Linear array cameras are also called scan backs.

  • Single-shot
  • Multi-shot (three-shot, usually)

These camera backs are usually used only in studios to take pictures of still objects. Most earlier digital camera backs used linear array sensors which could take seconds or even minutes for a complete high-resolution scan. The linear array sensor acts like its counterpart in a flatbed image scanner by moving vertically to digitize the image. In computing, a scanner is a device that analyzes images, printed text, or handwriting, or an object (such as an ornament) and converts it to a digital image. ... Digitizing, or digitization, is the process of turning an analog signal into a digital representation of that signal. ...


Many of these cameras could only capture grayscale images. To take a color picture, it requires three separate scans done with a rotating colored filter. These are called multi-shot backs. Some other camera backs use CCD arrays similar to typical cameras. These are called single-shot backs. In computing, a grayscale or greyscale digital image is an image in which the value of each pixel is a single sample. ...


Since it is much easier to manufacture a high-quality linear CCD array with only thousands of pixels than a CCD matrix with millions, very high resolution linear CCD camera backs were available much earlier than their CCD matrix counterparts. For example, you could buy an (albeit expensive) camera back with over 7,000 pixel horizontal resolution in the mid-1990s. However, as of 2004, it is still difficult to buy a comparable CCD matrix camera of the same resolution. Rotating line cameras, with about 10,000 color pixels in its sensor line, are able, as of 2005, to capture about 120,000 lines during one full 360 degree rotation, thereby creating a single digital image of 1,200 Megapixels. Year 1990 (MCMXC) was a common year starting on Monday (link displays the 1990 Gregorian calendar). ... 2004 is a leap year starting on Thursday of the Gregorian calendar. ... 2005 is a common year starting on Saturday of the Gregorian calendar. ...


Many modern digital camera backs use very large CCD matrices. This eliminates the need for scanning. For example, Fujifilm produces a 20 million pixel digital camera back with a 52 x 37 mm (2.04 x 1.45 inch) CCD in 2003. This CCD array is a little smaller than a frame of 120 film and much larger than a 35 mm frame (36 x 24 mm). In comparison, a consumer digital camera usually uses a much smaller 1/2.5 inch or 7.176 x 5.329 mm (~ 1/1.8 inch) CCD sensor. Further, the 1/2.5 or 1/1.8 inch diagonal measurement is the size of the entire CCD chip- the actual photo-sensitive area is much smaller. 120 is a film format for still photography introduced by Kodak for their Brownie No. ... 35 mm film frames. ...


At present, there are relatively few complete digital SLR cameras with sensors large enough to compete with medium to large format film cameras. Mamiya and Hasselblad manufacture medium format digital devices that can capture 16MP up to over 30MP. The units tend to be quite large and expensive. Mamiya C330 twin-lens reflex camera Mamiya 645 Super Mamiya RZ67 Pro I 35mm SLR Mamiya ZE Mamiya-OP Co. ... This article is about Victor Hasselblad AB, the Swedish company. ...


Comparison with film photography

While photographers debate over which of the two formats, digital or film, is superior, each format has advantages. ...

Advantages of consumer digital cameras

The advantages of digital photography over traditional film include:

  • Instant review of pictures, with no wait for the film to be developed: if there's a problem with a picture, the photographer can immediately correct the problem and take another picture
  • Minimal ongoing costs for those wishing to capture hundreds of photographs for digital uses, such as computer storage and e-mailing, but not printing
  • If one already owns a newer computer, permanent storage on digital media is considerably cheaper than film
  • Photos may be copied from one digital medium to another without any degradation
  • Pictures do not need to be scanned before viewing them on a computer
  • Ability to print photos using a computer and consumer-grade printer
  • Ability to embed metadata within the image file, such as the time and date of the photograph, model of the camera, shutter speed, flash use, and other similar items, to aid in the reviewing and sorting of photographs. Film cameras have limited ability to handle metadata, though many film cameras can "imprint" a date over a picture by exposing the film to an internal LED array (or other device) which displays the date.
  • Ability to capture and store hundreds of photographs on the same media device within the digital camera; by contrast, a film camera would require regular changing of film (typically after every 24 or 36 shots)
  • Many digital cameras now include an AV-out connector (and cable) to allow the reviewing of photographs to an audience using a television
  • Anti-shake functionality (increasingly common in inexpensive cameras) allow taking sharper hand-held pictures where previously a tripod was required
  • Ability to change ISO speed settings more conveniently in the middle of shooting, for example when the weather changes from bright sunlight to cloudy. In film photography, film must be unloaded and new film with desired ISO speed loaded.
  • Smaller sensor format, compared to 35mm film frame, allows for smaller lenses, wider zoom ranges, and greater depth of field.
  • Ability to use the same device to capture video as well as still images.

Metadata is data about data. ... “LED” redirects here. ...

Advantages of professional digital cameras

The Golden Gate Bridge retouched for painterly light effects
The Golden Gate Bridge retouched for painterly light effects
  • Immediate image review and deletion is possible; lighting and composition can be assessed immediately, which ultimately conserves storage space.
  • The ability to shoot in a raw image format, containing data directly from the sensor. However, as of this writing, there are a number of proprietary RAW formats, some of which require specific software to manipulate.
  • Faster workflow: Management (colour and file), manipulation and printing tools are more versatile than conventional film processes. However, batch processing of RAW files can be time consuming, even on a fast computer.
  • Digital manipulation: A digital image can be modified and manipulated much easier and faster than with traditional negative and print methods. The digital image to the right was captured in RAW format, processed and output in 3 different ways from the source RAW file, then merged and further processed for color saturation and other special effects to produce a more dramatic result than was originally captured with the RAW image.

Recent manufacturers such as Nikon and Canon have promoted the adoption of digital single-lens reflex cameras (DSLRs) by photojournalists. Images captured at 2+ megapixels are deemed to be of sufficient quality for small images in newspaper or magazine reproduction. Six to 14 megapixel images, found in modern digital SLRs, when combined with high-end lenses, can approximate the detail of film prints taken with 35 mm film based SLRs, and the latest 16 megapixel models can produce astoundingly detailed images which are believed to be better than 35mm film images and the majority of medium format cameras.[4] Image File history File links SF-ggbridge-retouch. ... Image File history File links SF-ggbridge-retouch. ... A raw image file contains minimally processed data from the image sensor of a digital camera or image scanner. ... For other uses, see Nikon (disambiguation). ... Canon Inc. ... An example of a modern digital SLR (the Pentax K10D), without a lens installed. ... Assault landing One of the first waves at Omaha Beach as photographed by Robert F. Sargent. ... A pixel (a contraction of picture element) is one of the many tiny dots that make up the representation of a picture in a computers memory. ... 35 mm film frames. ... This article or section does not cite its references or sources. ...


Disadvantages of digital cameras

  • Dependence upon spare batteries which are heavy to carry and whose lack makes equipment unusable. Batteries used by some film cameras are smaller and not drained as quickly.
  • Many digital sensors have less dynamic range than color print film. However, some newer CCDs such as Fuji's Super CCD, which combines diodes of different sensitivity, have improved this issue.
  • When highlights burn out, they burn to white without details, while film cameras retain a reduced level of detail, as discussed above.
  • High ISO image noise manifests as multicolored speckles in digital images, rather than the less-objectionable "grain" of high-ISO film. While this speckling can be removed by noise-reduction software, either in-camera or on a computer, this can have a detrimental effect on image quality as fine detail may be lost in the process.

For most consumers in prosperous countries such as the United States and Western Europe, the advantages of digital cameras outweigh their disadvantages. However, many professional photographers continue to prefer film. Much of the post-shooting work done by a photo lab for film is done by the photographer himself for digital images. Concerns that have been raised by professional photographers include: editing and post-processing of RAW files can take longer than 35mm film, downloading a large number of images to a computer can be time-consuming, shooting in remote sites requires the photographer to carry a number of batteries and add to the load to carry, equipment failure—while all cameras may fail, some film camera problems (e.g., meter or rangefinder problems, failure of only some shutter speeds) can be worked around. As time passes, it is expected that more professional photographers will switch to digital. Layout of sensors on Super CCD matrices. ... Image noise is unwanted and manifested in the pixels of an image. ...


In some cases where very high-resolution digital images of good quality are needed it may be advantageous to take large-format film photographs and digitise them. This allows the creation of very large computer files without speed or capacity disadvantages at picture-taking time. This is discussed in detail in an article with the provocative title A 100 MP Digital Camera System for Under $2,000. This article is about computer files and file systems in general terms. ...


Equivalent features

Image noise / grain

Noise in a digital camera's image is remarkably similar to film grain in a film camera. At high ISO levels (film speed) the grain/noise becomes more apparent in the final image. Although film ISO levels can be lower than digital ISO levels (25 and 50 respectively), digital settings can be changed quickly according to requirements, while film must be physically replaced and protected from all light during such replacement. Additionally, image noise reduction techniques can be used to remove noise from digital images and film grain is fixed. From an artistic point of view, film grain and image noise may be desirable when creating a specific mood for an image. Modern digital cameras have comparable noise/grain at the same ISO as film cameras. Some digital cameras though, do exhibit a pattern in the digital noise which is not found on film. Film grain or granularity is the random optical texture of processed photographic film due to the presence of small grains of a metallic silver developed from silver halide that have received enough photons. ... Film speed is the measure of a photographic films sensitivity to light. ... Noise reduction is the process of removing noise from a signal. ...

Speed of use

Current digital and film cameras can be switched on and take images instantly[citation needed]. Saving images to disk takes no longer than winding on a film.

Frame rate

The Canon EOS-1D Mark III can take still photographs at 10 frames per second; the fastest film SLR could shoot 10 frames per second. The Nikon F5 is limited to 36 continuous frames (the length of the film) while the Canon EOS-1D Mark III is able to take about 110 high definition JPEG images before its buffer must be cleared and the remaining space on the storage media can be used. JPG redirects here. ... In computing, a buffer is a region of memory used to temporarily hold output or input data, comparable to buffers in telecommunication. ... The terms storage (U.K.) or memory (U.S.) refer to the parts of a digital computer that retain physical state (data) for some interval of time, possibly even after electrical power to the computer is turned off. ...

Image longevity

Although digital image data does not degrade (film stock can fade), the media on which the digital images are stored can decay or become corrupt, leading to a loss of image integrity. Film should be stored under archival conditions for maximum longevity; this should not be a problem for digital images as perfect copies can be made and stored elsewhere. Without backup it is easier to lose huge amounts of digital data, for example by accidental deletion of folders, or by failure of a mass storage device. In comparison, each generation of copies of film negatives and transparencies is degraded compared to its parent. Film images can easily be converted to digital with some possible loss of quality.

Colour reproduction

Colour reproduction (gamut) is dependent on the type and quality of film or sensor used and the quality of the optical system and film processing. Different films and sensors have different color sensitivity; the photographer needs to understand his equipment, the light conditions, and the media used to ensure accurate colour reproduction. Many digital cameras offer RAW format (sensor data) which makes it possible to choose color space in the development stage regardless of camera settings; in effect the scene itself is stored as far as the sensor allows, and can to some extent be "rephotographed" with different color balance, exposure, etc. In color reproduction, including computer graphics and photography, the gamut, or color gamut (pronounced ), is a certain complete subset of colors. ...


A comparison of frame aspect ratios

A typical digital camera's aspect ratio is 1.33 (4:3), the same as today's NTSC or PAL/SECAM TVs or earliest movies. However, a 35 mm picture's aspect ratio is 1.5 (3:2). Several new digital cameras will take photos in either ratio and nearly all digital SLRs take pictures in a 3:2 ratio as they usually use lenses designed for 35 mm film (Olympus and Panasonic digital SLRs are notable exceptions). Some photo labs also offer the option of printing photos on 4:3 ratio paper, as well as the existing 3:2. In 2005 Panasonic launched the first consumer camera with a native aspect ratio of 16:9, matching HDTV. This is similar to a 7:4 aspect ratio, which was a common size for APS film. Different aspect ratios are one of the main reasons consumers have cropping issues when printing digital photos, or film photos as well. Moreover, the majority of digital cameras take an aspect ratio of 4:3 which translates to a size of 4.5" x 6.0". This translates into losing a half an inch when printing on the "standard" size of 4" x 6", an aspect ratio of 3:2. Similar cropping occurs when printing on other sizes as well, i.e., 5"x7", 8"x10", or 11"x14". The easy way to see if the aspect ratio you want will fit is to divide the length and width. If these match then there will be no cropping off the original image. For example, an 8"x12" has the same aspect ratio as a 4"x6" or a 12"x18", because 12 divided by 8 is 1.5, the same aspect ratio as a 4"x6", which is also 1.5. NTSC is the analog television system in use in Canada, Japan, Mexico, the Philippines, South Korea, Taiwan, the United States, and some other countries, mostly in the Americas (see map). ... For other uses, see PAL (disambiguation). ... SECAM, also written SÉCAM (Séquentiel couleur à mémoire, French for Sequential Color with Memory), is an analog color television system first used in France. ... 135 Film Size, Kodak Tri-X 400 speed 135 (ISO 1007) is a film format for still photography. ... This article refers to a Japanese camera maker. ... Panasonic is an international brand name for Japanese electric products manufacturer Matsushita Electric Industrial Co. ... High-definition television (HDTV) means broadcast of television signals with a higher resolution than traditional formats (NTSC, SECAM, PAL) allow. ...


Market impact

In late 2002, 2 megapixel cameras were available in the United States for less than $100, with some 1 megapixel cameras for under $60. At the same time, many discount stores with photo labs introduced a "digital front end", allowing consumers to obtain true chemical prints (as opposed to ink-jet prints) in an hour. These prices were similar to those of prints made from film negatives. However, because digital images have a different aspect ratio than 35 mm film images, people have started to realize that 4x6 inch prints crop some of the image off the print. Some photofinishers have started offering prints with the same aspect ratio as the digital cameras record.


In July 2003, digital cameras entered the single-use market with the release of the Ritz Dakota Digital, a 1.2 megapixel (1280 x 960) CMOS-based digital camera costing only $11 (USD). Following the familiar single-use concept long in use with film cameras, the Dakota Digital was intended to be used by a consumer one time only. When the pre-programmed 25 picture limit is reached, the camera is returned to the store, and the consumer receives back prints and a CD-ROM with their photos. The camera is then refurbished and resold. Since the introduction of the Dakota Digital, a number of similar single-use digital cameras have appeared. Most of the various single-use digital cameras are nearly identical to the original Dakota Digital regarding specifications and functionality, although a few include superior specifications and more advanced functions (such as higher image resolutions and LCD screens). Most, if not all, of these single-use digital cameras cost less than $20 (USD), not including processing fees. However, the huge demand for complex digital cameras at competitive prices has often resulted in manufacturing shortcuts, evidenced by a large increase in customer complaints over camera malfunctions, high parts prices, and short service life. Some digital cameras offer only a 90-day warranty. The Ritz Dakota Digital is a type of point-and-shoot digital camera, introduced in July of 2003, and sold by the Ritz/Wolf Camera store franchise. ... Refurbishment is the process of major maintenance and minor repair of an item, both aesthetically and mechanically. ...


The price of 35mm compact cameras have dropped with manufacturers further outsourcing to countries such as China. Kodak announced in January 2004 that they would no longer sell Kodak-branded film cameras in the developed world.[5] In January 2006 Nikon followed suit and announced that they will stop the production of all but two models of their film cameras, they will continue to produce the low-end Nikon FM10, and the high-end Nikon F6. In the same month, Konica Minolta announced that it was pulling out of the camera business altogether. The price of 35mm and APS compact cameras have dropped, probably due to direct competition from digital and the resulting growth of the offer of second-hand film cameras.[6] Pentax have reduced production of film cameras but not halted it.[7]. The technology has improved so rapidly that one of Kodak's film cameras was discontinued before it was awarded a "camera of the year" award later in the year. A point and shoot camera with a zoom lens and built in flash A point and shoot camera, also called a compact camera, is a still camera designed primarily for simple operation. ... Eastman Kodak Company (NYSE: EK) is a large multinational public company producing photographic equipment. ... A developed country is a country that has achieved (currently or historically) a high degree of industrialization, and which enjoys the higher standards of living which wealth and technology make possible. ...


Since 2002, digital cameras have outsold film cameras. However, the use of 35mm cameras is greater in developing countries.[8] In Guatemala, for example, extremely high import duties on all digital products serves to encourage sales and use of film cameras.


The decline in film camera sales has also led to a decline in purchases of film for such cameras. In November 2004, a German division of Agfa-Gevaert, AgfaPhoto, split off. Within six months it filed for bankruptcy . Konica Minolta Photo Imaging, Inc. will end production of Color film and paper worldwide by March 31, 2007. In addition, by 2005, Kodak employed less than a third of the employees that it had twenty years earlier. It is not known if these job losses in the film industry have been offset in the digital image industry. Agfa-Gevaert N.V. (Agfa) (Euronext: AGFB, FWB: AGE) is a European multinational corporation which develops, manufactures and distributes analogue and digital products and systems for the making, processing, and reproduction of images. ... is the 90th day of the year (91st in leap years) in the Gregorian calendar. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ...


In addition, digital photography has resulted in some positive market impacts as well. The increasing popularity of products such as digital photo frames and canvas prints is a direct result of the increasing popularity of digital photography. A digital photo frame is a picture frame that displays digital photos without the need to print them or use a computer. ... A canvas print (also known as a stretched canvas) is an image printed onto canvas, which is then framed and displayed. ...

An example of digital photography. This photo was taken and made into a digital print within less than 5 minutes.
An example of digital photography. This photo was taken and made into a digital print within less than 5 minutes.

Image File history File linksMetadata Download high resolution version (3456x2304, 2222 KB) Photographed by and copyright of (c) David Corby (User:Miskatonic, uploader) 2006 There With The Oakland Tribune Building in the background. ... Image File history File linksMetadata Download high resolution version (3456x2304, 2222 KB) Photographed by and copyright of (c) David Corby (User:Miskatonic, uploader) 2006 There With The Oakland Tribune Building in the background. ...

Social impact

Throughout the history of photography, technological advances in optics, camera production, developing, and imaging have had an effect on the way people view images. Prior to the 1970s, most people in the United States used slide (or "chrome") film and viewed the images with a slide projector. After that, people began to make prints from color negatives. The simultaneous increased use of the Internet and email, relatively cheap computers and digital cameras led to a tremendous increase in the number of photographic images in digital formats. Image File history File links Wikitext. ... For the book by Sir Isaac Newton, see Opticks. ...


In the early part of the 21st century, the dominant method of viewing still images has been on computers and, to a lesser extent, on cellular phones (although people still make and look at prints). These factors have led to a decrease in film and film camera sales and film processing, and has had a dramatic effect on companies such as Fuji, Kodak, and Agfa. In addition, many stores that used to offer photofinishing services or sell film no longer do, and those that do have seen a tremendous decline.


Photographic images have always been prone to fading and loss of image quality due to sun exposure or improper storage of film negatives, slides, and prints. Since digital images are stored as data on a computer, the image never loses visual quality, detail, or fidelity as long as the digital media upon which it is stored remains intact. The only way to ruin a digital image is to delete the image file, to corrupt or re-write some of the image file's data, or to damage or destroy the electronic storage media (hard drive, disk, CD, flash card, etc.) upon which the file resides. As with all computer files, making backups is the most effective way of ensuring that a copy of a digital image can always be recovered.


Of growing concern for both archivists and historians is the relative non-permanence or transitory nature of digital media. Unlike film and print, which are tangible and immediately accessible to a person, storage of digital images is ever-changing with old media and decoding software becoming obsoleted or inaccessible by new technologies. Historians are concerned that we are creating a historical void where information and details about a given decade or era will have been lost within either failed or inaccessible digital media. It is recommended that both professional and amateur users develop strategies for migrating stored digital images from old technologies to new.[9]


It is likely that film will never again be purchased and used on the scale it was for most of the 20th century. However, it probably will not disappear altogether. At its advent in the early 19th century, many believed photography would supplant the painting of portraits and landscapes. In the same way that acrylic and oil paint are still dominant media in use by artists and hobbyists, it's likely that photographic film and equipment will continue to be an option for enthusiasts. It is also important to note that the differences between film and digital photography are far less significant than the differences between painting and film photography.


Recent research and innovation

Lighting, optics, sensors, processing, storage, and display, with software weaving them together, are all advancing. Here are a few examples.

  • 3D models can be created from collections of normal images. The resulting scene can be viewed from novel viewpoints, but creating the model is very compute-intensive. Microsoft's Photosynth is available with models of famous places.[10]
  • High Dynamic Range cameras and displays are commercially available. >120 decibel sensors are in development. You can create your own HDR images, with a non-HDR camera, by combining multiple exposures.
  • Motion blur can be dramatically removed by a flutter shutter (a flickering shutter which adds a signature to the blur, which postprocessing can recognize).[11] It is not yet commercially available.
  • An object's specular reflection can be captured using computer controlled lights and sensors. This is needed to create attractive images of oil paintings, for instance. It is not yet commercially available, but is starting to be used by museums.

Other areas of progress include enlarged gamut sensors, software, and displays; and computer controlled lighting. To meet Wikipedias quality standards, this article or section may require cleanup. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... DB or db or dB may stand for: Database, an organized collection of data Name of Person, Danda Beer DB connector, improper term for D-subminiature DB (car), a French automobile maker Decibel (dB), the ratio between two quantities, used in acoustics and electronics Denver Broncos, an NFL franchise Dubnium... This amusement ride moved during the exposure. ... Diagram of specular reflection Specular reflection is the perfect, mirror-like reflection of light from a surface, in which light from a single incoming direction is reflected onto a single outgoing direction. ... Oil painting is done on surfaces with pigment ground into a medium of oil - especially in early modern Europe, linseed oil. ... In color reproduction, including computer graphics and photography, the gamut, or color gamut (pronounced ), is a certain complete subset of colors. ...


See also

Analog photography is photography made by a progressive changing image medium; usually one based on chemical processes (photographic film) or on electronic tubes (TV). ... Automatic image annotation is the process by which a computer system automatically assigns metadata in the form of captioning or keywords to a digital image. ... Sony DV Handycam A camcorder is a portable electronic device for recording video images and audio onto an internal storage device. ... This article does not cite any references or sources. ... Design rule for Camera File system (DCF) is an ISO specification which defines the file system for digital cameras, including the directory structure, file naming method, character set and file format. ... Look up digital camera in Wiktionary, the free dictionary. ... Digital image editing is the process of altering digital images, whether they be digital photographs or other types of digitally represented images. ... Digital imaging or digital image acquisition is the creation of digital images, typically from a physical object. ... A digital photo frame is a picture frame that displays digital photos without the need to print them or use a computer. ... DPOF (Digital Print Order format) is a format which allows the user of a digicam to define which captured images on the storage card are to be printed, together with information on the number of copies or other image information. ... This article or section does not cite its references or sources. ... An example of a modern digital SLR (the Pentax K10D), without a lens installed. ... An image with visible digital watermarking. ... Above: Map showing photographers view () of two buildings at a distance of 270 meters () and 1200 meters (). Below: Which of the three locations should be associated with the resulting photo? Assisted GeoTagging inside of Zooomr A geocoded photo is an image which is associated with a geographical location. ... An example of a rendering of a high dynamic range image into an 8-bit JPEG image (for display on a typical low dynamic-range computer screen). ... This article is about photographic lenses for single-lens reflex film cameras (SLRs) and digital single-lens reflex cameras (DSLRs). ... List of digital camera brands past and present, updated to 2005, but may miss some. ... USB redirects here. ... Portable storage devices (PSDs) are small hard drives designed to copy digital photographs from your camera. ... Photo sharing is the publishing or transfer of a users digital photos online, thus enabling the user to share them with others (whether publicly or privately). ... PictBridge is an industry standard from the Camera & Imaging Products Association (CIPA) for direct printing. ... A raw image file contains minimally processed data from the image sensor of a digital camera or image scanner. ... The Society for Imaging Science and Technology (IS&T) is a research and education organization in the field of imaging. ... The Society for Imaging Science and Technology (IS&T) is a research and education organization in the field of imaging. ...

References

  1. ^ a b http://www.dpreview.com/news/0007/00071101photoaccess43.asp
  2. ^ Foveon X3 Sensor Claims Put to the Test
  3. ^ Bockaert, Vincent. Sensor sizes. Digital Photography Review. Retrieved on 2007-04-03.
  4. ^ Reichmann, Michael. The Ultimate Shoot-Out. The Luminous Landscape. Retrieved on 2007-04-03.
  5. ^ Smith, Tony (2004-01-20). Kodak to drop 35mm cameras in Europe, US. The Register. Retrieved on 2007-04-03.
  6. ^ Nikon to End Many Film-Related Products (2006-01-11). Retrieved on 2007-04-03.
  7. ^ Tomkins, Michael R. (2004-06-01). Pentax plans to focus on digital. The Imaging Resource. Retrieved on 2007-04-03.
  8. ^ Cook, Brad (2004-09-24). Film still holds a place in the digital era. Fairfax Media. Retrieved on 2007-04-03.
  9. ^ Lombardi, Rosie (2006-12-20). How long will my digital pictures last?. PCWorld. Retrieved on 2007-04-03.
  10. ^ Photosynth. Microsoft Research. Retrieved on 2007-04-03.
  11. ^ Raskar, Ramesh; Amit Agrawal, and Jack Tumblin. Coded Exposure Photography: Motion Deblurring using Fluttered Shutter. Retrieved on 2007-04-03.

Digital Photography Review (DPReview. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... is the 93rd day of the year (94th in leap years) in the Gregorian calendar. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... is the 93rd day of the year (94th in leap years) in the Gregorian calendar. ... Year 2004 (MMIV) was a leap year starting on Thursday of the Gregorian calendar. ... is the 20th day of the year in the Gregorian calendar. ... Current logo of The Register. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... is the 93rd day of the year (94th in leap years) in the Gregorian calendar. ... Year 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... is the 11th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... is the 93rd day of the year (94th in leap years) in the Gregorian calendar. ... Year 2004 (MMIV) was a leap year starting on Thursday of the Gregorian calendar. ... is the 152nd day of the year (153rd in leap years) in the Gregorian calendar. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... is the 93rd day of the year (94th in leap years) in the Gregorian calendar. ... Year 2004 (MMIV) was a leap year starting on Thursday of the Gregorian calendar. ... is the 267th day of the year (268th in leap years) in the Gregorian calendar. ... It has been suggested that John Fairfax Holdings be merged into this article or section. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... is the 93rd day of the year (94th in leap years) in the Gregorian calendar. ... Year 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... is the 354th day of the year (355th in leap years) in the Gregorian calendar. ... PC World may mean: PC World (magazine), an American computer magazine PC World (retailer), a British computer store chain See also Personal Computer World, an unrelated British computer magazine This is a disambiguation page: a list of articles associated with the same title. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... is the 93rd day of the year (94th in leap years) in the Gregorian calendar. ... Microsoft Research (MSR) is a division of Microsoft created in 1991 for researching various computer science topics and issues. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... is the 93rd day of the year (94th in leap years) in the Gregorian calendar. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... is the 93rd day of the year (94th in leap years) in the Gregorian calendar. ...

External links


  Results from FactBites:
 
O'Reilly Media -- Bookstore: Digital Photography Hacks (630 words)
Going beyond the standard fare of most digital photography books, Digital Photography Hacks shares the knowledge that professional photographers have learned through thousands of shots' worth of experience and years of experimentation.
It's no wonder that digital cameras are outselling traditional cameras for the first time ever.
Digital Photography Hacks is for the creative adventurer who resides in each of us.
Digital photography - Wikipedia, the free encyclopedia (5011 words)
Digital photography, as opposed to film photography, uses electronic devices to record the image as binary data.
Digital photography was used in astronomy long before its use by the general public and had almost completely displaced photographic plates by the early 1980s.
Digital photography enables you to experiment with the camera settings, different styles of images can be tried out, learnt from and techniques improved all without the expense of film processing.
  More results at FactBites »

 
 

COMMENTARY     


Share your thoughts, questions and commentary here
Your name
Your comments

Want to know more?
Search encyclopedia, statistics and forums:

 


Press Releases |  Feeds | Contact
The Wikipedia article included on this page is licensed under the GFDL.
Images may be subject to relevant owners' copyright.
All other elements are (c) copyright NationMaster.com 2003-5. All Rights Reserved.
Usage implies agreement with terms, 1022, m