Binoculars having hand-vibration compensation system

Details Binoculars having hand-vibration compensation system Binoculars having hand-vibration compensation system

1998-12-01

2000-05-23

Nguyen, Thong

Optical: systems and elements

Image stabilization

By movable refractive structure

359407, 359554, G02B 2764, G02B 2300

Patent

active

060671955

ABSTRACT:
A binocular is provided with a pair of telescopic optical systems. Each of the pair of telescopic optical systems has an objective lens system, an erecting optical system, and an observing optical system. The erecting optical system of each of the telescopic optical systems may be a type I or type II Porro prism, which is divided into two sub prisms respectively have two reflection surfaces. First and second hand vibration compensation mechanism is provided: (a) between the objective lenses and erecting optical systems; and (b) between the first sub prisms and the second sub prisms.

REFERENCES:
patent: 4013339 (1977-03-01), Ando et al.
patent: 5231534 (1993-07-01), Kato
patent: 5754339 (1998-05-01), Kanai et al.
patent: 5768016 (1998-06-01), Kanbara
patent: 5917653 (1999-06-01), Taniguchi

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