Camera with novel exposure frame

Details Camera with novel exposure frame Camera with novel exposure frame

1996-08-28

1997-03-18

Metjahic, Safet

Photography

Variable frame masking

396535, G03B 1702

Patent

active

056131704

ABSTRACT:
A photographic camera having an exposure frame at the rear end of a lens barrel. A camera body is molded integrally with the lens barrel. Flanks are formed by a pair of vertical surfaces lying in planes parallel to the optical axis on inner surfaces of the frame receiving surface at locations that define four corners of an exposure aperture so as to extend radially outward from the inner surface of the lens barrel adjacent the rear end thereof. An aperture frame is detachably mounted on the camera body from behind the camera to define the exposure aperture. The flanks formed adjacent the rear end of the lens barrel or the frame receiving surface are effective to prevent individual frames of film from being subjected to undesirable vignetting. The aperture frame is mounted on the camera body from behind. A pair of masking plates is provided for panoramic photography. The rear side of the camera body is provided along vertically opposite edges of the barrel's rear end with these masking plates, and the aperture frame is mounted on the rear side of the camera body behind these masking plates.

REFERENCES:
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patent: 4384774 (1983-05-01), Tuck
patent: 4611895 (1986-09-01), Seey
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patent: 5140354 (1992-08-01), Bornham
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patent: 5298929 (1994-03-01), Tsunefuji et al.
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patent: 5357296 (1994-10-01), Kato
patent: 5436685 (1995-07-01), Yamashina

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