Camera and reflector having offset optical and mechanical axes

Details Camera and reflector having offset optical and mechanical axes Camera and reflector having offset optical and mechanical axes

1978-11-20

1980-12-16

Truhe, J. V.

Illumination

Light modifier

Reflector

354126, 362 16, 362255, 362297, 362349, G03B 1503, F21V 706

Patent

active

042393698

ABSTRACT:
An open-ended reflector for being positioned within a camera to provide a controlled pattern of light on a rectangular subject field located at a distance, e.g., five feet, from the camera. The reflector includes three specular reflective surfaces and a fourth surface having a ribbed diffusing region thereon. These four surfaces are oriented in such a manner that the mechanical axis through the reflector's open end will be offset from the reflector's optical axis when viewed from in front of the reflector.

REFERENCES:
patent: 1464270 (1923-08-01), Remark
patent: 1670837 (1928-05-01), Blackmore
patent: 1821733 (1931-09-01), Thibodeau
patent: 1902860 (1933-03-01), Kay et al.
patent: 2290793 (1942-07-01), Alderman
patent: 3687030 (1972-08-01), Dine et al.
patent: 4158223 (1979-06-01), Walley et al.
patent: 4158493 (1979-06-01), Fohl et al.

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