Lens cover apparatus of optical instrument

Details Lens cover apparatus of optical instrument Lens cover apparatus of optical instrument

1992-07-29

1995-04-11

Ben, Loha

Optical: systems and elements

Protection from moisture or foreign particle

Cap or cover

359507, 354288, G03B 1104, G03B 1702

Patent

active

054064139

ABSTRACT:
A lens cover apparatus of an optical instrument having a lens including a lens cover for covering the lens of the optical instrument, and a lens cleaning member provided on the lens cover opposite the lens.

REFERENCES:
patent: 2583228 (1952-01-01), Numbers
patent: 4363545 (1982-12-01), Schaefer et al.
patent: 4522478 (1985-06-01), Kando et al.
English Abstract of Japanese Patent No. 3-235930.

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