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P041 Dynamic Range

Terms in this set (11)

DYNAMIC RANGE
the measurement (in stops) between the whitest whites and the blackest blacks in an image
EXPOSURE
the amount of light in "stops" a camera captures to determine how light or how dark the image will appear, based on apperture, shutter speed and ISO settings
STOP
the unit of exposure, a doubling or halving of the amount of light entering the camera when changing aperture, shutter speed and ISO
OVEREXPOSED
a photograph which appears too white or washed-out to see details or textures in all or parts of the image.
UNDEREXPOSED
a photograph which appears too dark to see details and textures in all or parts of the image.
CLIPPING (luminosity)
loss of detail and texture in dark or bright areas of an image when the exposure exceeds the dynamic range of a device
BLOWN OUT HIGHLIGHTS
loss of detail and texture in important bright areas of an image where the pixels are pure white because they were overexposed
CRUSHED BLACKS
loss of detail and texture in important dark areas where the pixels are pure black because they were underexposed
BRACKET
a technique of taking several shots of a scene using different camera settings to ensure getting a good image
HDR (High Dynamic Range)
a software process that combines bracketed images of a scene to expand and enhance shadow and highlight detail.
HISTOGRAM
A bar graph to evaluate brightness and contrast, showing pixels exposed in an image with 256 shades from black (L) to white (R)
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