Compact zoom lens system

Details Compact zoom lens system Compact zoom lens system

1980-07-14

1982-05-25

Corbin, John K.

G02B 1514

Patent

active

043313892

ABSTRACT:
A compact zoom lens system capable of covering an intermediate telephoto range and having a zoom ratio of about two. The lens is compact, the number of lenses used is the minimum possible and aberration compensation is well accomplished. The lens system includes four lens groups having specified parameters.

REFERENCES:
patent: 3615125 (1971-10-01), Higuchi et al.
patent: 4025167 (1977-05-01), Ikeda
patent: 4223981 (1980-09-01), Mizutani et al.

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