Accession Number : ADD005772

Title :   Catadioptric Objective.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s) : Liu,Wai-Min

Report Date : 05 Dec 1978

Pagination or Media Count : 7

Abstract : Describes a catadioptric objective lens system that has a field of view of 10 deg, and that will provide: a large relative aperture of 1.28; optimum performance in the S-20 spectral range; and, maximum light throughout the region of apertures for exactly the 10 deg field of view.

Descriptors :   *Patents, *Optical lenses, *Camera lenses, Refraction, Reflection, Convex bodies, Concave bodies, Apertures

Subject Categories : Photography
      Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE