Optical system capable of correcting image position

Details Optical system capable of correcting image position Optical system capable of correcting image position

1996-08-07

1998-02-17

Nguyen, Thong

Optical: systems and elements

Image stabilization

By movable refractive structure

359554, 359676, 359684, 359690, G02B 2764, G02B 1514

Patent

active

057197032

ABSTRACT:
An optical system includes a first lens group having a positive refractive power, a second lens group having a negative refractive power, and a third lens group having a positive refractive power. The third lens group comprises at least one positive lens and at least one negative lens. The second lens group is movable along a direction of an optical axis, and the third lens group is movable in a direction substantially perpendicular to the optical axis. The optical system satisfies:

REFERENCES:
patent: 4854683 (1989-08-01), Ozawa
patent: 4978205 (1990-12-01), Sato
patent: 5121978 (1992-06-01), Maruyama
patent: 5270857 (1993-12-01), Oizumi et al.
patent: 5490014 (1996-02-01), Suzuki
patent: 5579160 (1996-11-01), Sato
patent: 5585966 (1996-12-01), Suzuki

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