Zoom lens capable of image blur compensation

Details Zoom lens capable of image blur compensation Zoom lens capable of image blur compensation

1989-07-28

1991-08-13

Arnold, Bruce Y.

Optical: systems and elements

Image stabilization

By movable refractive structure

359686, 359689, G02B 1514, G02B 2764

Patent

active

050392115

ABSTRACT:
A zoom lens has three or more lens groups. A variable power lens group or at least one lens group located in a position nearer to an image than a variable power lens group serves as an image blur compensating group which is displaceable with respect the remaining lens groups. The magnification m.sub.C of the image blur compensating group satisfies a relation with respect to a composite focal length f.sub.1 of the lens groups nearer to an object than the image blur compensating group such that

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patent: 4490017 (1984-12-01), Okudaira et al.
patent: 4812026 (1989-03-01), Iima
patent: 4844602 (1989-07-01), Kitagishi et al.
patent: 4871241 (1989-10-01), Matsuo
patent: 4907868 (1990-03-01), Kitagishi et al.
English Abstract of Japanese Publication No. 62-203119.
English Abstract of Japanese Publication No. 62-47011.

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