Reflex apparatus for the viewing of the ground-glass plate of a

Details Reflex apparatus for the viewing of the ground-glass plate of a Reflex apparatus for the viewing of the ground-glass plate of a

1987-08-28

1988-07-05

Gellner, Michael L.

354158, 354223, 354224, G03B 1308, G03B 1912

Patent

active

047558407

ABSTRACT:
The apparatus includes a casing, in which a reflector is mounted, which casing is attached on the one hand to a supporting frame and on the other hand via a bellows to the frame. The supporting frame is intended to be slipped onto the ground-glass plate of a camera. The adjusting is made by means of an adjusting means which includes an adjusting segment, a locking member and a releasing member. By operating the releasing member the locking member may be brought into engagement and out of engagement with the adjusting segment.

REFERENCES:
patent: 536820 (1895-04-01), Robinson
patent: 832969 (1906-10-01), Hall
patent: 3921189 (1975-11-01), Gallistel

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