Wide angle zoom lens system

Details Wide angle zoom lens system Wide angle zoom lens system

1983-06-20

1984-06-05

Corbin, John K.

350423, G02B 1304

Patent

active

044525125

ABSTRACT:
A wide-angle zoom lens system comprising a front lens group consisting of a first negative meniscus lens component, a second negative lens component and a third positive lens component, and a rear lens group consisting of a fourth positive lens component, a fifth positive meniscus lens component, a sixth negative lens component and a seventh positive lens component. Said zoom lens system is so adapted as to perform the zooming operation by varying the airspace reserved between said front and rear lens groups.

REFERENCES:
patent: 4074931 (1978-02-01), Okudaira
patent: 4323302 (1982-04-01), Kimura

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