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5 terms
Photonics Dictionary: T
Clear All Filters x
magnification x
T x
telephoto magnification
->
telephoto ratio
In a telephoto lens, the ratio of the overall length to the focal length of the lens. It is generally about 0.8 to 0.9 in magnitude.
tangential distortion
Optical aberration such that image magnification varies with ray distance from the optical axis in a radial distortion.
telephoto power
The ratio between the focal length of a lens having a longer focal length than that of the standard lens used with a camera, and the focal length of the standard lens. It is used to provide an...
telescope
An afocal optical device made up of lenses or mirrors, usually with a magnification greater than unity, that renders distant objects more distinct, by enlarging their images on the retina.
teloscopy
Teloscopy, while not a commonly used term, could be understood in the context of principles related to telescopes and their applications in observation and measurement. If we interpret teloscopy as...
Photonics Dictionary
T
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