Zoom optical system and electronic imaging apparatus having...

Optical: systems and elements – Lens – With variable magnification

Reexamination Certificate

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Details

C348S240990, C348S240300, C359S686000

Reexamination Certificate

active

07453650

ABSTRACT:
An electronic imaging apparatus includes a zoom optical system having, in order from the object side, a first lens unit with positive power, a second lens unit with negative power, and an aperture stop, in which the first lens unit is composed of a single positive power unit and the second lens unit has a single negative lens element located at the most object-side position, both surfaces of which are concave, and a positive lens component located at the most image-side position; an electronic image sensor located on the image side of the zoom optical system; and an image processing section electrically processing image data obtained by the electronic image sensor to change the form thereof.

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patent: 03-182752 (1993-02-01), None
patent: 10-010013 (1999-07-01), None
patent: 2002-196804 (2004-02-01), None

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