Viewfinder mask for a photographic camera, viewfinder, and camer

Details Viewfinder mask for a photographic camera, viewfinder, and camer Viewfinder mask for a photographic camera, viewfinder, and camer

1998-07-22

1999-08-03

Gray, David M.

Photography

With viewfinder

Selective or adjustable viewfinder field

396380, G03B 1724

Patent

active

059336676

ABSTRACT:
A viewfinder mask, viewfinder and photographic camera. The viewfinder mask connects to a camera lens for adjusting the image field of the viewfinder to the adjustable focal length of the camera lens. The viewfinder mask comprises an L-shaped frame part and a rectangular frame part covering the latter, these being linked by a film hinge. A guide lever engages on the one hand a corner of the rectangular frame part and on the other hand, in the area of the film hinge, the L-shaped frame part. The frame parts are mounted movably in relation to one another inside the case.

REFERENCES:
patent: 4945372 (1990-07-01), Higuchi et al.
patent: 5530510 (1996-06-01), Alligood

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