IMAGING LENS, IMAGING DEVICE, AND INFORMATION PROCESSING APPARATUS

Abstract: an imaging lens includes: a first lens to a fourth lens disposed in order from an object side; and an aperture stop on a foremost object side. the first lens is a positive meniscus lens having a convex surface facing the object side. the second lens is a lens having an inflection point on at least one surface with a low thickness deviation ratio. the third lens is a positive lens having a convex surface facing an image plane side and an inflection point on a lens peripheral portion. the fourth lens is a negative lens having a concave surface on an image plane side and an inflection point on a peripheral portion.

Inventor(s): Takashi Kubota, Koji Kawakita

CPC Classification: G02B13/004 ({having four lenses})

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