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Glossary
Colour Temperature
This numerically expresses the colour of the light source illuminating the subject. This is indicated in
absolute temperature, using Kelvin (K) units.
The colour of light shifts to a bluish colour as the colour temperature rises, and to a reddish colour as the
colour temperature falls.
DCF (Design Rule for Camera File System)
A digital camera file system standard established by the Japan Electronics and Information Technology
Industries Association (JEITA).
Depth of Field
Area of focus. This depends on the aperture, lens focal length, and distance to the subject. For example,
select a smaller aperture to increase the depth of field or use a larger aperture to decrease the depth of
field.
DNG RAW file
DNG (Digital Negative) is a general-purpose RAW file format designed by Adobe Systems. When
images captured in proprietary RAW formats are converted to DNG format, support and compatibility for
the images increases significantly.
DPOF (Digital Print Order Format)
Rules for writing information onto a card with recorded images regarding the specific images and
number of copies to be printed. Prints can easily be made by taking images to a DPOF photo printing
store.
EV (Exposure Value)
Exposure Value is determined by the combination of the aperture value and the shutter speed.
EV Compensation
Process of adjusting the image brightness by changing the shutter speed and aperture value.
Exif (Exchangeable image file format for digital still camera)
A standard digital camera file format established by the Japan Electronics and Information Technology
Industries Association (JEITA).