Camera filter adaptor system

Details Camera filter adaptor system Camera filter adaptor system

1986-01-06

1987-08-04

Mathews, A. A.

350318, G03B 1100, G02B 700

Patent

active

046842314

ABSTRACT:
An improved camera lens filter holder attachment system. The system permits light filtering attachments to be readily installed over and removed from the lens of a camera with a single short snap-on motion of the hand and wrist of a photographer. A releasable cammed attachment mechanism is utilized to maintain a light filtering attachment in position over a camera lens.

REFERENCES:
patent: 2707418 (1955-05-01), Magnuson
patent: 3758200 (1973-09-01), Saito
patent: 4302078 (1981-11-01), Stravitz
patent: 4381885 (1983-05-01), Coquin
patent: 4383735 (1983-05-01), Stravitz
patent: 4390242 (1983-06-01), Tatsumi
patent: 4416528 (1983-11-01), Breslau et al.
patent: 4443061 (1984-04-01), Coquin

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