Bulb setting on cameras. This keeps the shutter open for as long as you keep the release button pressed. Used in low light e.g. for recording traffic trails or fireworks.
BMP
Bit Mapped is a graphic file format popular with Windows computers. It is an uncompressed format unlike TIFF or JPEG.
B&W
Black and White â although we mostly take color images, some digicams offer the possibility to take monochrome images.
CCD
Charge Coupled Device - a light sensitive chip used to record the image. It contains thousands or millions of photo sites that can be compared to tiny solar cells.
CF
CompactFlash memory cards used for storage of images in digital cameras.
CIFF
Camera Image File Format, a universal method of digicam image storage.
CMOS
Complementary Metal-Oxide Semiconductor
a light sensitive chip used to record image information. Not as popular as CCD chips yet, but quality is improving rapidly and its advantages - lower production costst and power consumption - are many.
CMYK
Cyan, Magenta, Yellow and Black are the inks used by most types of printers to create color prints. It is known as subtractive color system because the required color is produced by subtracting different quantities of cyan, magenta and yellow from white.
CW
Center weighted metering system that assigns most importance to the central part of the image when setting exposure
