Photographic film package

Details Photographic film package Photographic film package

1987-06-29

1989-02-14

Adams, Russell E.

3542271, 3542891, 354465, G03B 1718

Patent

active

048049921

ABSTRACT:
A disposable film package of the type having a taking lens comprises a film casing; a film cartridge containing a high speed film therein in said film casing; a viewfinder; and a scene brightness indicating member disposed in the viewfinder. The indicating member becomes visible or invisible according to scene brightness conditions. When the indicating member becomes visible, the photographer is thus given warning that an improper exposure would result.

REFERENCES:
patent: 3545870 (1970-12-01), Burgarella
patent: 4011571 (1977-03-01), Okuzawa
patent: 4041508 (1977-08-01), Edamoto et al.
patent: 4372657 (1983-02-01), Iwata et al.
patent: 4509848 (1985-04-01), Katsuma et al.

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