A-Z v2 A B C D E F G H I J K L M N O P Q R S T U V W X Z 0-9 C C-AF (Continuous autofocus)Mode where the camera focuses continually all the time the shutter button is pressed. Cable releaseFlexible cable for firing the camera shutter remotely on older cameras. Camera bagBag with padded internal compartments designed to hold and protect camera gear. Camera calibrationCorrecting camera color rendition with test charts and software profiles. Camera Kit (Analog Efex Pro)Mode for manually selecting the adjustment filters used in Analog Efex Pro. Cameras A-Z Camera shakeBlur caused by camera movement during the exposure. Camera typeCamera design, size and the type of user it's aimed at. Capture One Carbon fiber (tripod)Tripod material that's lighter and more rigid than the usual aluminium tubing. Card readerPlug-in device for transferring images from a memory card to a computer. Cataloguing softwareSoftware for organising and searching large photo collections. CCDOlder sensor design no longer used in cameras but still used in astronomy and astrophotography. Center columnExtending vertical shaft in the center of a tripod to raise the height of the camera. Center weighted meteringAlternative camera light metering option that's less sophisticated but easier to predict. CFA (Color Filter Array)Fine array of colored filters placed over sensor photosites to record individual colors. CFast cardHigh speed memory card format used in some cinema cameras, now fading in popularity. CFexpressRelatively new type of high-speed memory card used in higher-end cameras and video cameras. ChannelColor images are made up of individual color 'channels', usually a red, green and blue channel (RGB). Chromatic aberrationColor fringing around object edges commonly seen in less expensive images. Cinema 4K (DCI 4K, C4K)'True' 4K video 4,096 pixels wide that's slightly 'wider' than regular 4K UHD. CIPAOrganisation which sets standard measurements for different kinds of camera performance, such as battery life. Circle of confusionOne of the measurements used in depth of field calculations. Class rating (memory cards)Minimum sustained recording speed for different levels of video capture. ClippingWhere the brightest or darkest parts of a picture have lost any visible detail. Close upPhotography of small objects, though not as small as proper 'macro' photography. Cloud storageStoring files online rather than on your computer for backup or so that they can be accessed anywhere. CMOSMost popular type of camera sensor used today, and superior to older 'CCD' design. CMYKColor model used in printing, both in most home printers and in commercial publishing. Cold shoeFor attaching camera accessories that don't need an electrical connection to the camera. Color managementSystem used by some professionals to ensure accurate and consistent color across different devices. Color modelSystem used to measure and describe colors. The RGB color model is used most in photography. Color noiseOne of two types of noise produced by digital cameras and the easiest to remove. Color spaceDescribes the range of colors a device can display or reproduce, used in color management. Color temperatureA technical measurement for white balance adjustments, measured in degrees Kelvin (K). Commander mode (Nikon)A mode on more advanced Nikon flashguns for controlling other flashguns remotely. Compact cameraA camera with a fixed, non-removable lens, usually small but not always. Compact FlashOlder, larger memory card format once popular but no longer in widespread use. CompressionSoftware processing to make photos or video clips take up less storage space. Continuous lightingPhotographic lighting which stays on all the time, unlike flash. Continuous shootingMode where the camera takes pictures continuously while you keep the shutter button pressed down. ContrastThe difference in brightness between different parts of a scene. Contrast AFAutofocus system that works out if a subject is sharp by checking when the contrast is highest. Contrast filterFilter used in black and white photography to change the color 'contrast' or the way colors are translated into shades of grey. Control dialA rotating dial on the outside of a camera with different uses according to the camera mode. Converging verticalsA perspective effect where the walls of tall buildings appear to slant inwards and become narrower at the top. CopyrightThe right of ownership of a photograph, which normally belongs to the photographer. Corner shadingAnother word for 'vignetting', a lens effect where the edges of a picture appear darker than the center. Creative blurDeliberately allowing some subject movement with slower shutter speeds. Creative Lighting System (CLS) (Nikon)Nikon wireless flash system for controlling Speedlights remotely. ...click for more Crop factorUsed to work out the 'effective' focal length of lenses on smaller sensor cameras. Crop modeUsed on some cameras to allow the use of lenses for smaller format sensors. CroppingTrimming an image to remove unwanted areas or fit a specific display size. Crop sensorA sensor smaller than 'full frame', or the size of a 35mm film negative. CSC (Compact System Camera)Another term for 'mirrorless camera', with interchangeable lenses and part of a system. Custom settingsA way of configuring camera controls to better suit the way you like to work. Custom white balanceManual white balance calibration process applied in-camera or in software later.