From Wikipedia, the free encyclopedia.
The angular aperture of a lens is the appearant angle of the lens aperture as seen from the focal point:
where is the focal length, and is the diameter of the aperture.
See also: f-number, numerical aperture\n
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Wikipedia: Angular aperture |
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Angular aperture From Wikipedia, the free encyclopedia. The angular aperture of a lens is the appearant angle of the lens aperture as seen from the focal point:
where is the focal length, and is the diameter of the aperture. See also: f-number, numerical aperture\n |
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