1974-11-29
1976-06-01
Hix, L. T.
354197, 354225, G03B 1312, G03B 1308
Patent
active
039613445
ABSTRACT:
A viewfinder of the inverted Galilean type, for use with a photographic camera having a pair of interchangeable objective lenses, comprising a viewfinder lens, an eyepiece having two reticles formed thereon, a fixed mirror frame and a movable mirror frame. The fixed mirror produces a projected virtual image of one reticle. Structure is provided for positioning the movable mirror to produce a projected virtual image of the second reticle in response to interchange of the objective lenses.
REFERENCES:
patent: 3589236 (1971-06-01), Wareham
patent: 3619202 (1971-11-01), Bellows
patent: 3664250 (1972-05-01), Land
patent: 3719422 (1973-03-01), Land et al.
patent: 3890626 (1975-06-01), Ettischer
Baisch Theodor
Deininger Kurt
Strobel Joseph R.
Trumpp Alfred
Eastman Kodak Company
Hix L. T,.
O'Connor E. M.
Pagel A. B.
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