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8 terms
Photonics Dictionary: F
Clear All Filters x
exposure x
F x
fatigue
The decrease of a component's efficiency, or a reduction in a material's light sensitivity, as the result of accumulated exposures to radiant energy.
film plane
The site behind the lens system in a camera where photographic media are positioned for exposure.
film platen
A mechanism in a camera designed to position the film in the focal plane for exposure.
filter factor
The necessary increase of a photograph's exposure time as the result of the additional absorption of light by the filter being used.
flash radiography
A technique used in radiography to obtain an unblurred image of a moving object by the use of very short x-ray exposures, such as one microsecond, to record the image.
flash sensitometer
A sensitometer that utilizes an electronic flashtube or a photoflash lamp as both the light source and the shutter for obtaining short-duration exposures.
fluence
Fluence is a term used in various scientific and technical disciplines to describe the amount of something per unit area. The specific meaning of fluence can vary depending on the context in which it...
fluorochrome
The combination of the organic dye in a stained specimen and the antibodies produced that is detected by exposure to light.
Photonics Dictionary
F
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