Compact single lens reflex cassette camera

Details Compact single lens reflex cassette camera Compact single lens reflex cassette camera

1974-08-15

1976-05-11

Hix, L. T.

354152, G03B 1912

Patent

active

039567591

ABSTRACT:
A cassette type single lens reflex camera includes a longitudinally extending zoon lens system and a replacable film cassette disposed in opposite sides of the camera casing, the cassette having enlarged film storing opposite end sections joined by a tubular film guide with an inwardly vertically facing framing window. A 45.degree. semitransparent first mirror intercepts the zoom lens longitudinal optical axis to reflect lens traversing light through a rear lens group onto a second 45.degree. mirror mounted in the casing in the space between the cassette end sections and oriented to deflect the light from the first mirror to the cassette window. The light traversing the first mirror traverses, successively imaging and field lenses an erecting prism and an eyepiece lens which define a viewfinder.

REFERENCES:
patent: 2909109 (1959-10-01), Back
patent: 3656421 (1972-04-01), Ataka
patent: 3690235 (1972-09-01), Ainslie et al.

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