Eyepiece for a camera

Details Eyepiece for a camera Eyepiece for a camera

1997-10-24

1999-03-30

Epps, Georgia

Optical: systems and elements

Lens

Eyepiece

G02B 2500

Patent

active

058896163

ABSTRACT:
A high-performance eyepiece is provided having a high-power magnification finder and a large pupil diameter even if it is used for a camera finder using a pentagonal mirror. The eyepiece includes, in order from the eyepoint end, a negative meniscus lens and a bifocal convex lens, which fulfills the following conditions:

REFERENCES:
patent: 4730905 (1988-03-01), Takada
patent: 5034763 (1991-07-01), Inabata
patent: 5136427 (1992-08-01), Sugawara
patent: 5410430 (1995-04-01), Ito et al.
patent: 5434636 (1995-07-01), Hasushita et al.
patent: 5587844 (1996-12-01), Ohno

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