Binoculars

Details Binoculars Binoculars

1999-05-25

2000-07-25

Spyrou, Cassandra

Optical: systems and elements

Compound lens system

Telescope

359227, 359419, 359480, 359507, 359511, 359600, 33244, G02B 2300

Patent

active

060943033

ABSTRACT:
Binoculars include a pair of lens barrels, each barrel having an optical system, a flexible lens barrier which travels between a protective position for protecting the optical system of each of the lens barrels and a position that is retracted from the field of view of the optical system, and a drive member for moving the flexible lens barrier between the protective position and the retracted position.

REFERENCES:
patent: 5631772 (1997-05-01), Mizukawa

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