Wide-angle zoom lens system

Details Wide-angle zoom lens system Wide-angle zoom lens system

1977-06-15

1979-05-08

Clark, Conrad J.

G02B 1516

Patent

active

041533380

ABSTRACT:
A wide-angle zoom lens system comprising a front negative lens group and rear positive lens group and arranged to be zoomed by varying the airspace between the front and rear lens groups and to minimize variation of aberrations to be caused at the time of zooming.

REFERENCES:
patent: 3848969 (1974-11-01), Tajima

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