Zoom lens mounting

Details Zoom lens mounting Zoom lens mounting

1982-08-24

1986-11-18

Corbin, John K.

G02B 1500

Patent

active

046232273

ABSTRACT:
A zoom lens mounting capable of focusing beyond the usual range of object distances towards close ups in a particular region of the zooming range has a control member which changes its position depending upon the relative position of a focusing actuator to a zoom control cam member or vice versa, wherein the aforesaid focusing actuator and the aforesaid cam member are each provided with an area subject to constraint with the aforesaid control member and an area not subject to the constraint.

REFERENCES:
patent: 3841735 (1974-10-01), Katagiri et al.
patent: 4045128 (1977-08-01), Momiyama
patent: 4101202 (1978-07-01), Tesch
patent: 4210387 (1980-07-01), Ogawa
patent: 4346967 (1982-08-01), Komoto et al.
patent: 4456342 (1984-06-01), Muryoi

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