High range zoom lens of reduced size

Details High range zoom lens of reduced size High range zoom lens of reduced size

1986-05-05

1988-10-11

Corbin, John K.

350454, G02B 1514, G02B 1302

Patent

active

047766808

ABSTRACT:
A zoom lens comprising two or more lens units axially movable for magnifying in front of a lens unit of negative power which remains stationary during zooming, wherein at least one of the magnifying lens units and the lens unit of negative power are simultaneously moved axially to effect focusing.

REFERENCES:
patent: 4592626 (1986-06-01), Fujii

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