Imaging lens

Details Imaging lens Imaging lens

2007-11-13

2007-11-13

Sugarman, Scott J. (Department: 2873)

Optical: systems and elements

Lens

Multiple component lenses

C359S773000, C359S774000

Reexamination Certificate

active

11528477

ABSTRACT:
An imaging lens is provided and includes: in order from an object side of the imaging lens, a first lens having a convex surface on the object side and having a positive power; a second lens having a concave surface on the object side and having a negative power; a third lens having a positive power; and a fourth lens having a convex surface on the object side near a paraxial axis and having a meniscus shape. The imaging lens satisfies conditional expressions specified in the specification.

REFERENCES:
patent: 3-59609 (1991-03-01), None
patent: 10-48516 (1998-02-01), None
patent: 2002-221659 (2002-08-01), None
patent: 2004-302057 (2004-10-01), None
patent: 2005-4027 (2005-01-01), None
patent: 2005-4028 (2005-01-01), None
patent: 2005-24581 (2005-01-01), None

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