Imaging lens and imaging device including the imaging lens

Details Imaging lens and imaging device including the imaging lens Imaging lens and imaging device including the imaging lens

2007-11-20

2010-06-01

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Lens

Multiple component lenses

Reexamination Certificate

active

07729062

ABSTRACT:
An imaging lens including, in order from an object side to an image surface side, a first lens that is a meniscus lens having a positive power whose convex surface faces the object side, a diaphragm, a second lens that is a meniscus lens having a positive power whose convex surface faces the image surface side, wherein conditions expressed by 22≦(r3+r4)/(r3−r4)≦35 and 0.5≦f1/fl≦1 (where, r3: center radius curvature of the object side face of the second lens, r4: center radius curvature of the image surface side face of the second lens, f1: focal distance of the first lens, and fl: focal distance of the entire lens system) are to be satisfied.

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