Photographic lens system for endoscopes

Details Photographic lens system for endoscopes Photographic lens system for endoscopes

1984-06-06

1986-09-09

Corbin, John K.

G02B 914

Patent

active

046105166

ABSTRACT:
A photographic lens system for endoscope to be arranged on the rear of an eyepiece comprising three lens components including at least one negative lens component and having positive refractive power as a whole, said lens system being so adapted as to provide a flat image surface.

REFERENCES:
patent: 3443863 (1969-05-01), Ruben

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