Accessory holding device for optical instrument

Details Accessory holding device for optical instrument Accessory holding device for optical instrument

1984-06-22

1985-08-06

Henry, Jon W.

350257, 350276R, G02B 700, G02B 522

Patent

active

045332126

ABSTRACT:
Device for holding attachments such as filters attachable to the mounting portion of an optical instrument such as an interchangeable lens. The device facilitates the mounting and removal of the attachments.

REFERENCES:
patent: 1228389 (1917-06-01), Barnes
patent: 1780384 (1930-11-01), Green
patent: 4050791 (1977-09-01), Watanabe
patent: 4302078 (1981-11-01), Stravitz
patent: 4381885 (1983-05-01), Coquin
patent: 4390242 (1983-06-01), Tatsumi

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