Binoculars with a convergence angle correction mechanism

Details Binoculars with a convergence angle correction mechanism Binoculars with a convergence angle correction mechanism

1996-11-04

2000-10-17

Spyrou, Cassandra

Optical: systems and elements

Compound lens system

Telescope

359412, 359418, G02B 2300

Patent

active

061340480

ABSTRACT:
A binocular has a focusing mechanism and a convergence angle correction mechanism. Focusing is achieved by moving an objective optical system or eyepiece optical system along an optical axis. The convergence angle correction mechanism, which is interlocked with the focusing mechanism, decenters an element of the objective optical system translationally with respect to the optical axis. The translational decentering is achieved by moving the objective optical element in a direction at an angle to the optical axis.

REFERENCES:
patent: 959739 (1910-05-01), Heckel
patent: 1358721 (1920-11-01), Fuji
patent: 4264122 (1981-04-01), Schmidt et al.
patent: 4886340 (1989-12-01), Kanda

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