Viewfinder device wherein the spacing between the display and th

Optical: systems and elements – Compound lens system – Telescope

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359363, 359400, 354219, 354222, G02B 2300, G03B 1336

Patent

active

055462243

ABSTRACT:
A finder has a display for displaying an image, and a finder optical system for observing the image therethrough. The spacing between the display and the whole of the finder optical system is relatively varied to thereby effect the adjustment of the field of view.

REFERENCES:
patent: 4982278 (1991-01-01), Dahl et al.
patent: 5257055 (1993-10-01), Cho et al.
patent: 5365302 (1994-11-01), Kodama
Patent Abstracts of Japan, vol. 13, No. 495 (P-956) (3843), Nov. 11, 1989 (JP-A-1-197727, Aug. 9, 1989).

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