Albada finder

Details Albada finder Albada finder

1992-09-18

1994-05-31

Ben, Loha

Optical: systems and elements

Lens

Eyepiece

359726, 359734, 354219, 354224, G02B 2500, G02B 1700

Patent

active

053174518

ABSTRACT:
An albada finder comprising an objective lens group, which includes two negative lenses, and an eyepiece lens group, which includes two positive lenses, arranged in this order from the object side. A view frame is formed on the object side surface of the eyepiece lens group, and a half mirror is formed on the eye point side surface of the objective lens group. The finder satisfies the following condition:

REFERENCES:
patent: 4348090 (1982-09-01), Iizuka
patent: 4429978 (1984-02-01), Ikari
patent: 4595270 (1986-06-01), Yamada et al.
patent: 4812023 (1989-03-01), Kikuchi
patent: 4828374 (1989-05-01), Ishisaka et al.

Affiliated with

Also associated with

Rating

Albada finder does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1632048