Ocular optical system for a viewfinder with variable visibility

Details Ocular optical system for a viewfinder with variable visibility Ocular optical system for a viewfinder with variable visibility

1998-09-29

1999-11-09

Epps, Georgia

Optical: systems and elements

Lens

Eyepiece

359643, 359645, 396382, G02B 2500

Patent

active

059825570

ABSTRACT:
An ocular optical system for a viewfinder in a camera for observing object image which is formed on focusing glass or its vicinity via eye point. The ocular optical system includes, in order from the focusing glass side, a negative meniscus lens, which has its convex surface facing the focusing glass side, and a positive lens. Visibility compensation is performed by moving the positive lens along the optical axis without moving the negative meniscus lens.

REFERENCES:
patent: 4437750 (1984-03-01), Ikari
patent: 4593984 (1986-06-01), Kimura et al.
patent: 5066115 (1991-11-01), Sugawara

Affiliated with

Also associated with

Rating

Ocular optical system for a viewfinder with variable visibility does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ocular optical system for a viewfinder with variable visibility, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ocular optical system for a viewfinder with variable visibility will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1464385