Patent ID: 9279962
Filing Date: 2016-03-08
CPC Classification: G02B

Claim Text:
1. An imaging lens substantially consisting of five lenses, including: a first lens having a positive refractive power and a convex surface toward the object side; a second lens having a negative refractive power and a concave surface toward the image side; a third lens having a negative refractive power and a concave surface toward the object side; a fourth lens having a positive refractive power and is of a meniscus shape having a concave surface toward the object side; and a fifth lens having a negative refractive power and is of a meniscus shape having a convex surface toward the image side, provided in this order from the object side; the imaging lens satisfying the following conditional formula: wherein f is the focal length of the entire system, and f5 is the focal length of the fifth lens.