Zoom lens with beam splitter

Details Zoom lens with beam splitter Zoom lens with beam splitter

1986-09-18

1988-11-22

Corbin, John K.

G02B 2304, G02B 1306

Patent

active

047861509

ABSTRACT:
A zoom lens including a plurality of movable lens units for zooming, a diaphragm and a beam splitter for splitting off part of the light beam toward an optical device, characterized in that this beam splitter is arranged in between the frontmost and rearmost movable zoom units.

REFERENCES:
patent: 3989349 (1976-11-01), Besenmatter et al.
patent: 4249793 (1981-02-01), Uehara

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