Observing equipment having hand-vibration compensation system

Details Observing equipment having hand-vibration compensation system Observing equipment having hand-vibration compensation system

1998-12-01

2000-03-28

Nguyen, Thong

Optical: systems and elements

Image stabilization

By movable refractive structure

359554, 396 52, 396 55, G02B 2764

Patent

active

060439343

ABSTRACT:
A binocular is provided with a pair of telescopic optical systems. Each of the pair of telescopic optical systems has an objective lens, an erecting system, a compensation lens and an observing optical system. The erecting system of each of the telescopic optical systems is divided into two sub prisms, a vertically extending optical axis is defined therebetween. The compensation lens is located between the first and second sub prisms such that it is movable in a horizontal plane by a driving mechanism. As the compensation lens moves, an optical path of light passed therethrough changes. Accordingly, by driving the compensation lens in accordance with the hand-vibration, trembling of the image can be compensated.

REFERENCES:
patent: 4013339 (1977-03-01), Ando et al.
patent: 5231534 (1993-07-01), Kato
patent: 5280387 (1994-01-01), Maruyama
patent: 5387999 (1995-02-01), Hayashi
patent: 5461513 (1995-10-01), Maruyama
patent: 5754339 (1998-05-01), Kanai et al.
patent: 5768016 (1998-06-01), Kanbara
patent: 5917653 (1999-06-01), Taniguchi

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