Light enhancement camera attachment

Details Light enhancement camera attachment Light enhancement camera attachment

1979-01-15

1980-05-27

Hix, L. T.

G03B 1700

Patent

active

042047617

ABSTRACT:
A camera attachment for providing a low level of diffuse light over a photographic film. This illumination occurs at the time of the exposure of the film. The process may be termed "flashing" and the effect is to make the film more sensitive to light.
The attachment comprises an edge-illuminated transparent disc disposed directly in front of a large aperture photographic lens. An additional annular transparent element may surround the disc. "Softness" for portraiture can also be accomplished.

REFERENCES:
patent: 1598746 (1926-09-01), Roes
patent: 2352914 (1944-07-01), Rackett
patent: 2556307 (1951-06-01), Walker
patent: 2621569 (1952-12-01), Glassey
patent: 3545859 (1970-12-01), Schumacher
patent: 3836923 (1974-09-01), Malick
patent: 3854815 (1974-12-01), McIntosh

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