04293186 is referenced by 70 patents and cites 7 patents.

This invention provides, in a restricted off-axis field optical system having a broad spectral range, which includes refracting elements, the improvement comprising:

Title
Restricted off-axis field optical system
Application Number
767906
Publication Number
4293186
Application Date
December 21, 1979
Publication Date
October 6, 1981
Inventor
Abe Offner
Darien
CT, US
Agent
E T Grimes
F L Masselle
Giarratana
Assignee
The Perkin Elmer Corporation
CT, US
IPC
G02B 17/08
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