Patent ID: 8773774
Filing Date: 2014-07-08
Classification: G02B

Abstract:
1. A photographing lens assembly comprising, in order from an object side to an image side: a first lens element with positive refractive power having an object-side surface being concave at a paraxial region thereof and an image-side surface being convex at a paraxial region thereof; a second lens element having positive refractive power; and a third lens element with negative refractive power made of plastic material and having an image-side surface being concave at a paraxial region thereof and being convex at a peripheral region thereof, wherein an object-side surface and the image-side surface of the third lens element are aspheric; wherein a curvature radius of the object-side surface of the first lens element is R1, a curvature radius of the image-side surface of the first lens element is R2, an f-number of the photographing lens assembly is Fno, and the following relationships are satisfied: