Imaging lens

Details Imaging lens Imaging lens

2006-09-19

2006-09-19

Sugarman, Scott J. (Department: 2873)

Optical: systems and elements

Lens

Including a nonspherical surface

C359S794000

Reexamination Certificate

active

07110190

ABSTRACT:
The present invention relates to an imaging lens with an number in the range4.0,configured from two lenses, with a short lens optical length, and with sufficiently high image contrast so that sharp images are obtained. The imaging lens is configured by positioning, order from an object side to an image side, an aperture diaphragm, diaphragm, and a second lens, satisfying the following first lens, a second conditions. The first lens and second lens are both meniscus-shaped with convex surface facing the positive refractive power.

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