Zoom lens incorporating diaphragm

Details Zoom lens incorporating diaphragm Zoom lens incorporating diaphragm

1986-06-24

1989-09-12

Arnold, Bruce Y.

35419511, G02B 1500, G02B 710

Patent

active

048654337

ABSTRACT:
A mounting mechanism for a zoom lens having a variator lens and a compensator lens in respective lens holding frames movable in fitting relation on guide bars suspended in a direction parallel to an optical axis, wherein a diaphragm unit is arranged in between the variator lens and the compensator lens, and a cam member for controlling the movement of the variator lens and the compensator lens is arranged on either one of the variator lens side and the compensator lens side of the diaphragm unit.

REFERENCES:
patent: 3658411 (1972-04-01), Price
patent: 4161756 (1979-07-01), Thomas
patent: 4273414 (1981-06-01), Shimojima
patent: 4636041 (1987-01-01), Kotaka et al.

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