Apparatus for preventing internal reflection in zoom lens

Details Apparatus for preventing internal reflection in zoom lens Apparatus for preventing internal reflection in zoom lens

1988-03-29

1990-03-27

Arnold, Bruce Y.

350255, G02B 1500

Patent

active

049115421

ABSTRACT:
In a zoom lens system having front and rear groups of lenses movable in an optical axis direction, an apparatus is provided for preventing internal reflection. The apparatus comprises a movable antireflection member which is located at the rear of the rear group of lenses to intercept harmfull light which would otherwise be incident upon a film plane. The antireflection member movable along the optical axis direction of the lens system, in association with the movement of the rear group of lens.

REFERENCES:
patent: 3658411 (1972-04-01), Price
patent: 4576446 (1986-03-01), Kamata

Affiliated with

Also associated with

Rating

Apparatus for preventing internal reflection in zoom lens does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for preventing internal reflection in zoom lens, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for preventing internal reflection in zoom lens will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1646923