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P041
P041 Dynamic Range
| Term | Definition |
|---|---|
| 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) |
Created by:
dmaww
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