K - K (Kelvin)
Abbreviation for Kelvin temperature, the measurement of the redness or blueness of white light. This is written without the degree sign. Daylight at noon, for example, has a Kelvin temperature of about 5500K, while photographic tungsten lamps are 3200K. Technically it is a measurement of the colour of white or gray based on the temperature to which a black body must be heated to produce that colour of white.
- Key light
A studio light used to control the tonal level of the main area of the subject.
- Keystoning
The distortion of a projected slide or movie caused by the projector lens axis not being at a 90 degree angle to the screen. The image will appear wider at one edge than on the opposite and the image will not be uniformly sharp.
- kilobyte
A unit of memory equal to 1024 bytes.
- Kodak PhotoCD
AÂ CD-ROM containing digital images
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