Lens system for facsimile

Details Lens system for facsimile Lens system for facsimile

1979-10-04

1981-04-28

Sacher, Paul A.

G02B 920

Patent

active

042641390

ABSTRACT:
A lens system for facsimile comprising a first positive lens component, a second biconcave lens component and a third lens component consisting of a negative lens element and a positive lens element, said lens system having high OTF and assuring very low distortion as well as high intensity for marginal rays.

REFERENCES:
patent: 2838978 (1958-06-01), Mukai
patent: 3876292 (1975-04-01), Velesik

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