Science Fair Project Encyclopedia
Angular aperture
The angular aperture of a lens is the appearant angle of the lens aperture as seen from the focal point:
where f is the focal length, and A is the diameter of the aperture.
See also: f-number, numerical aperture
Last updated: 10-24-2005 04:41:56
10-26-2009 08:16:03
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


