Optical: systems and elements – Lens – With variable magnification
Reexamination Certificate
2008-03-10
2008-11-18
Spector, David N (Department: 2873)
Optical: systems and elements
Lens
With variable magnification
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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Hankawa Masashi
Hozumi Kouki
Miyajima Toru
Kenyon & Kenyon LLP
Olympus Imaging Corp.
Spector David N
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