Imaging lens

Details Imaging lens Imaging lens

2011-08-16

2011-08-16

Collins, Darryl J (Department: 2873)

Optical: systems and elements

Lens

Multiple component lenses

C359S717000

Reexamination Certificate

active

08000039

ABSTRACT:
An imaging lens including, from an object side, a diaphragm, a first lens that is a lens having a positive power whose convex surface faces the object side, and a second lens having a negative power whose concave surface faces the object side, wherein a condition expressed by the following expressions is to be satisfied: −0.1.≦r1/r2<0.1, 0.85≦f1/FL≦1, and 0.1≦d3/FL≦0.3 (where, r1: center radius curvature of the object side face of the first lens, r2: center radius curvature of the image surface side face of the first lens, f1: focal distance of the first lens, d3: center thickness of the second lens and FL: focal distance of the entire lens system).

REFERENCES:
patent: 7164545 (2007-01-01), Saito
patent: 7167324 (2007-01-01), Saito
patent: 2005/0002116 (2005-01-01), Nakamura
patent: 2007/0217034 (2007-09-01), Taniyama
patent: 2004-170460 (2004-06-01), None
patent: 2004-170883 (2004-06-01), None
patent: 2004-177628 (2004-06-01), None
patent: 2004-246169 (2004-09-01), None
patent: 2004-252067 (2004-09-01), None
patent: 2006-119331 (2006-05-01), None
patent: 2006-154517 (2006-06-01), None
patent: 2006-178026 (2006-07-01), None
patent: 2008-152004 (2008-07-01), None

Affiliated with

Also associated with

Rating

Imaging lens does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Imaging lens, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Imaging lens will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2631741