Large aperture lens system for use in a copier

Details Large aperture lens system for use in a copier Large aperture lens system for use in a copier

1988-01-28

1989-08-22

Arnold, Bruce Y.

G02B 962

Patent

active

048590444

ABSTRACT:
A copier lens system having a large aperture has a basic structure of 6-unit-6-element arrangement which is constructed by separating the first and second lenses of the orthmeta type lens system.

REFERENCES:
patent: 4345823 (1982-08-01), Shinohara
patent: 4690518 (1987-09-01), Kouchiwa et al.
patent: 4711536 (1987-12-01), Kouchiwa

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