Finder optical system for a camera

Details Finder optical system for a camera Finder optical system for a camera

1982-05-05

1987-05-12

Corbin, John K.

350474, 350475, 354219, 354225, G03B 1302, G03B 1308, G02B 912, G02B 914

Patent

active

046644857

ABSTRACT:
An eye-piece constituting part of a finder optical system in a camera is constructed from three lens components, one of which is made axially movable to effect adjusting diopter, wherein the refractive powers and forms of all the components are so properly chosen as to maintain good stability of aberration correction throughout the adjusting diopter range.

REFERENCES:
patent: 3582188 (1971-06-01), Rau
patent: 3768890 (1973-10-01), Osawa et al.
patent: 4164369 (1979-08-01), Urano et al.
patent: 4206988 (1980-06-01), Miyamoto et al.
patent: 4217048 (1980-08-01), Egawa
patent: 4389097 (1983-06-01), Ohishi
patent: 4398786 (1983-08-01), Neil
patent: 4509831 (1985-04-01), Nishioka

Affiliated with

Also associated with

Rating

Finder optical system for a camera does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1798017