Camera File System is a file system defined by a JEITA standard that provides uniform access to data from a camera. Its well-known abbreviation is DCF.
Design rule for CameraFilesystem (DCF) is an JEITA specification, (Number CP-3461) which defines a File format and filesystem for digital cameras, including the directory structure, file naming method, character set, file format, and metadata format.
It is currently the de facto industry standard for digital still cameras.
The file format of DCF is based on the Exif 2.2 specification.
For cameras using a Bayer sensor it is the number of single coloured photosites (light sensitive areas) on the sensor.
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.
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, creating this way a single digital image of 1,200 Megapixel.
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