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A camera raw image file contains unprocessed or minimally processed data from the image sensor of either a digital camera, a motion picture film scanner, or other image scanner. [ 1 ] [ 2 ] Raw files are so named because they are not yet processed, and contain large amounts of potentially redundant data.
Some Nikon Coolpix cameras which are not advertised as supporting a RAW image format can actually produce usable raw files if switched to a maintenance mode. [26] Note that switching to this mode can invalidate a camera's guarantee. Nikon models with this capability: E700, E800, E880, E900, E950, E990, E995, E2100, E2500, E3700, E4300, E4500.
In digital photography, the Camera Image File Format (CIFF) file format is a raw image format designed by Canon, and also used as a container format to store metadata in APP0 of JPEG images. [1] Its specification was released on February 12, 1997.
Digital Negative (DNG) is an open, lossless raw image format developed by Adobe and used for digital photography.It was launched on September 27, 2004. [1] The launch was accompanied by the first version of the DNG specification, [2] plus various products, including a free-of-charge DNG converter utility.
The Olympus RAW Format (ORF) is a proprietary raw image format used in Olympus digital cameras. [1] Like all other raw formats, this one contains image information rendered directly by a camera's sensor.
The camera weighed 8 pounds (3.6 kg), recorded black-and-white images to a cassette tape, had a resolution of 0.01 megapixels (10,000 pixels), and took 23 seconds to capture its first image in December 1975. The prototype camera was a technical exercise, not intended for production. [20]
A raw image is the unprocessed set of pixel data directly from the camera's sensor, often saved in a proprietary format. Adobe Systems has released the DNG format, a royalty-free raw image format used by at least 10 camera manufacturers.
Because many raw image formats are specific to one make or model of camera, dcraw is frequently updated to support new models. For many proprietary raw image formats, dcraw's source code (based largely on reverse-engineering) is the best—or only—publicly available documentation. dcraw currently supports the raw formats of several hundred ...
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