Finder optical system

Details Finder optical system Finder optical system

1997-08-07

1999-03-30

Sugarman, Scott J.

Optical: systems and elements

Lens

With variable magnification

359432, 359683, 359686, 396379, 396382, G02B 1514, G03B 1306, G03B 1310

Patent

active

058896201

ABSTRACT:
A finder optical system is provided which is made up of an object lens system and an eyepiece system wherein the object lens system comprises, arranged from the object side:

REFERENCES:
patent: 4757336 (1988-07-01), Nakayama et al.
patent: 4854680 (1989-08-01), Kikuchi
patent: 5173806 (1992-12-01), Ogata
patent: 5309286 (1994-05-01), Abe et al.
patent: 5392084 (1995-02-01), Kato
patent: 5687023 (1997-11-01), Ohshita
patent: 5701199 (1997-12-01), Takato
patent: 5712727 (1998-01-01), Mouri

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