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6 terms
Photonics Dictionary: R
Clear All Filters x
exposure x
R x
radiant exposure
->
exposure
In optics, the total radiant energy incident on a surface-per-unit area. It is equal to the integral over time of the radiant flux density. Also known as radiant exposure.
reciprocity law
With respect to photography, the law stating that the optical density of an exposed emulsion with standard development is a function of just the irradiance and the exposure times.
reflected light meter
An exposure meter that indicates the amount of light reflected from the subject of interest.
rolling shutter artifacts
Rolling shutter artifacts are distortions or visual anomalies that can occur in images or videos captured by cameras with rolling shutter sensors. A rolling shutter is a type of image sensor that...
rotary camera
A camera system used for microphotography that has a structure, such as a cylinder or surveyor belt, to rotate the documents to be recorded. The image is fixed relative to film motion and exposure is...
rotating prism camera
A camera, with a rotating prism, that is capable of forming multiple exposures on a constantly moving strip of film.
Photonics Dictionary
R
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