Catadioptric Objective.

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Abstract:

The patent application discloses a catadioptric objective lens system that has a field of view of 10 degrees, 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 degree field of view. The principal object of this invention is to teach the structure i.e., the construction of such a lens system.

Author(s):
Lin, Wai Min
Author Organization(s):
DEPARTMENT OF THE AIR FORCE WASHINGTON D C
Descriptive Note:
Patent Application,
Pagination:
0011

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release
Distribution Statement:
Government-owned Invention Available For Licensing. Copy Of Application Available Ntis.

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
PAT-APPL-594 426
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*Camera lenses, Patents, Photographic equipment
Field(s)/Group(s):
Photography
Keyword(s):
PAT CL 350 199, *Patent applications
Report Date:
1975 Jul 09