Real image mode finder optical system

Details Real image mode finder optical system Real image mode finder optical system

1997-03-14

1999-03-09

Nguyen, Thong

Optical: systems and elements

Compound lens system

Telescope

359362, 359422, G02B 1514

Patent

active

058808817

ABSTRACT:
A real image mode finder optical system has an objective system constructed with an objective lens including a single lens with positive refracting power and a first reflecting member; an intermediate image plane; and an ocular system constructed with a second reflecting member and an eyepiece including a single lens with positive refracting power. This finder optical system satisfies the following conditions:

REFERENCES:
patent: 4969723 (1990-11-01), Kato et al.
patent: 5052787 (1991-10-01), Sugawara
patent: 5184252 (1993-02-01), Miyauchi et al.
patent: 5206675 (1993-04-01), Miyauchi et al.
patent: 5231534 (1993-07-01), Kato
patent: 5257129 (1993-10-01), Morooka et al.
patent: 5311355 (1994-05-01), Kato
patent: 5448400 (1995-09-01), Kikuchi et al.
patent: 5448411 (1995-09-01), Morooka
patent: 5576889 (1996-11-01), Miyazaki

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