The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 20, 1990
Filed:
Mar. 27, 1989
Applicant:
Inventor:
Jacob Moskovich, Cincinnati, OH (US);
Assignee:
Lenzar Optics Corporation, Riviera Beach, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350442 ; 350446 ; 350503 ;
Abstract
A catadioptric zoom lens comprising from the object end a first catadioptric group including a relay subgroup for forming an intermediate image, zoom relay, the zoom relay including a positive variator group and a negative power compensator group, the variator group comprising a first sub-unit of weak power contributing to correction of coma and a second sub-unit providing most of the positive power of the variator group.