Photography – With exposure objective focusing means – focusing aid – or... – Optical detail with photoelement system
Reexamination Certificate
2006-06-08
2008-12-16
Perkey, W. B. (Department: 2862)
Photography
With exposure objective focusing means, focusing aid, or...
Optical detail with photoelement system
C396S439000, C359S652000, C359S708000, C359S716000, C359S784000, C359S797000
Reexamination Certificate
active
07466911
ABSTRACT:
An image taking lens forming an optical image on an solid-state image pickup element according to the present invention, is provided with, in order from an object side thereof: a first lens with a positive power; a second lens with a negative power; and a third lens with a negative power. Third lens includes an image side surface in an aspheric shape such that a region around an optical axis in the aspheric shape is formed in a concave shape facing an image side of the image taking lens and a peripheral region in the aspheric shape surrounding the region around the optical axis is formed in a convex shape facing the image side of the image taking lens. The image taking lens fulfills a predefined conditional formula.
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Konica Minolta Opto Inc.
Perkey W. B.
Sidley Austin LLP
Strieb Michael A
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