Imaging lens

Details Imaging lens Imaging lens

2008-03-18

2008-03-18

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Lens

Multiple component lenses

C359S715000

Reexamination Certificate

active

07345830

ABSTRACT:
An imaging lens is provided and includes, in order from an object side of the imaging lens: a first lens of a positive lens; a second lens of a negative lens; a third lens of a bi-aspheric lens that has an image-side surface having an extreme point at a position other than an optical axis of the imaging lens; and a fourth lens of a bi-aspheric lens that has an object-side surface having an extreme point at a position other than the optical axis. The imaging lens satisfies Conditional Expressions specified in the specification.

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