Zoom lens assembly

Details Zoom lens assembly Zoom lens assembly

1982-01-04

1984-09-18

Corbin, John K.

G02B 710

Patent

active

044720327

ABSTRACT:
A zoom lens assembly wherein first and second lens elements are moved simultaneously to effect zooming operation and wherein the first lens element is moved separately from the second lens element to effect focusing operation. A zoom operation member and a focusing operation member are operable through the structure of the elements of the assembly to effect, respectively, zooming and focusing operation and the arrangement of the invention permits simplification of the construction of the assembly wherein the desired operations may be accomplished.

REFERENCES:
patent: 4386829 (1983-06-01), Sumi

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