Secondary image formation type view finder

Details Secondary image formation type view finder Secondary image formation type view finder

1998-10-23

2000-01-25

Henry, Jon

Optical: systems and elements

Compound lens system

Telescope

359434, 396386, G02B 2314, G03B 1302

Patent

active

060184167

ABSTRACT:
A secondary image formation type view finder comprising an objective optical system, a first mirror for folding an optical axis, a relay lens system and a second mirror for folding the optical axis, wherein an optical axis of the relay lens system is disposed so as to be included in a plane nearly perpendicular to an optical axis of the objective optical system, and the first mirror and the second mirror and disposed nearly in parallel with each other, thereby reducing a space to be occupied by the view finder.

REFERENCES:
patent: 4432626 (1984-02-01), Ohtake
patent: 5084780 (1992-01-01), Phillips
patent: 5457511 (1995-10-01), Kanai et al.

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