Zoom lens mechanism with focus camming mechanism

Details Zoom lens mechanism with focus camming mechanism Zoom lens mechanism with focus camming mechanism

1996-07-30

1998-05-12

Epps, Georgia Y.

Optical: systems and elements

Lens

With light limiting or controlling means

359700, 359823, G02B 900

Patent

active

057515000

ABSTRACT:
A zoom lens assembly (10) includes a plurality of cam barrels (18, 38, 66) which rotate together within non-rotating lens barrels (12, 34, 54) as the assembly is extended and contracted. A compact focusing mechanism (92-156) travels with the innermost cam barrel (66).

REFERENCES:
patent: 4226520 (1980-10-01), Uesugi
patent: 4353634 (1982-10-01), Himmelsbach
patent: 4389098 (1983-06-01), Fukushima
patent: 4461544 (1984-07-01), Isobe et al.
patent: 4506959 (1985-03-01), Hama
patent: 4733261 (1988-03-01), Gunshi et al.
patent: 4822153 (1989-04-01), Tomori et al.
patent: 4834514 (1989-05-01), Atsuta et al.
patent: 4841323 (1989-06-01), Yamada et al.
patent: 4848884 (1989-07-01), Enomoto
patent: 4965615 (1990-10-01), Fujita et al.
patent: 4993815 (1991-02-01), Yamazaki et al.
patent: 5018843 (1991-05-01), Inadome et al.
patent: 5289221 (1994-02-01), Yoon
patent: 5371566 (1994-12-01), Asakura
patent: 5373397 (1994-12-01), Satoh et al.
patent: 5376984 (1994-12-01), Abe

Affiliated with

Also associated with

Rating

Zoom lens mechanism with focus camming mechanism does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Zoom lens mechanism with focus camming mechanism, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Zoom lens mechanism with focus camming mechanism will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-987952