Zoom optical system and imaging apparatus using the same

Details Zoom optical system and imaging apparatus using the same Zoom optical system and imaging apparatus using the same

2005-08-09

2005-08-09

Spector, David N. (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S676000, C359S689000

Reexamination Certificate

active

06927920

ABSTRACT:
A zoom optical system includes only one optical-element group moved in a magnification change and at least one deformable mirror having a compensating function for compensating for a shift of an image surface caused by the magnification change and a focusing function. According to this configuration of the zoom optical system, it is possible to attain a zoom optical system and an imaging apparatus using the zoom optical system that have as small a number of movable lenses as possible, are very small in size, and work with an extremely low power consumption and low operation noise.

REFERENCES:
patent: 4784479 (1988-11-01), Ikemori
patent: 2004/0027684 (2004-02-01), Nishioka et al.
patent: 08-248318 (1996-09-01), None
patent: 11-220646 (1999-08-01), None

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