Lens system with image blur correction

Details Lens system with image blur correction Lens system with image blur correction

1997-02-24

2000-04-04

Spyrou, Cassandra

Optical: systems and elements

Image stabilization

By movable refractive structure

359784, G02B 2764

Patent

active

060468521

ABSTRACT:
In a zoom lens system that consists of a plurality of lens units and that performs zooming by varying the distances between the lens units, one of the lens units other than the lens unit disposed at the object side end includes a hand-shake correction lens unit that is decentered in a direction perpendicular to the optical axis for hand-shake correction and a fixed lens unit that is disposed on the image side of the hand-shake correction lens unit and that is kept in a fixed position during hand-shake correction. With respect to the lens element disposed at the image-side end of the hand-shake correction lens unit and the lens element disposed next to the image-side surface of the former lens element and kept in a fixed position during hand-shake correction, the relations between their shape factors and refractive powers are defined.

REFERENCES:
patent: 5502594 (1996-03-01), Suzuki et al.
patent: 5579171 (1996-11-01), Suzuki et al.

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