Monday, August 4, 2014

Vocab 3

MACRO LENS- lens designed to be at top sharpness over a flat field when focused at close distances and reproduction ratios up to 11
MANYAL EXPOSURE- a camera operating mode that requires the user to determine and set both the aperture and shutter speed 
MEGABYTE- just over one million bytes
MEMORY- the storage capacity of a hard drive or other recording media
MEMORY CARD- typical recording medium of digital cameras
MENU- an on-screen listing of user options
MODE- specified operating conditions of the camera or software program
NOISE- the digital equivalent of a grain
PAN- moving the camera to follow a moving subject 
PERSPECTIVE- the effect of the distance between the camera and image elements upon the perceived size of objects in an image
PIXEL- the base component if a digital image 
RAM- stands for Random Access Memory, which is a computer's memory capacity, directly accessible from the central processing unit
RAW- an image file format that has little or no  internal processing applied by the camera
RESOLUTION- the amount of data available for an image as applied to image size
SHUTTER- the apparatus that controls the amount of time during which light is allowed to reach the sensitized medium 
SLR- single-lens-reflex.  A camera with a  mirror that reflects the image entering the lens through a pentaprism or pentamirror onto the viewfinder screen
STOP- see f/stop
STROBE- abbreviation for stroboscopic. An electronic light source that produces a series of evenly spaced bursts of light
THUMBNAIL- a miniaturized representation of an image file
TRIPOD- a three-legged stand that stabilizes the camera and eliminates camera shake caused by body movement or vibration
TTL- stands for "Through The Lens
USB- Universal Serial Bus. This interface standard allows outlying accessories to be plugged and unplugged from the computer while it is turned on
VR- Vibration Reduction, a technology used in such photographic accessories as a VR lens
WIDE-ANGLE LENS- a lens that produces a greater angle of view than you would see with your eyes, often causing an image to appear stretched

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