Patent ID: 8934181
Filing Date: 2015-01-13
Classification: G02B,G03B,H04N

Abstract:
1. An optical imaging lens, sequentially from an object side to an image side, comprising an aperture stop, first, second, third, fourth and fifth lens elements, each of said first, second, third, fourth and fifth lens elements having an object-side surface facing toward the object side and an image-side surface facing toward the image side, wherein: said first lens element has positive refracting power, and said object-side surface thereof is a convex surface; said second lens element has negative refracting power, and said object-side surface of said second lens element comprises a convex portion in a vicinity of a periphery of the second lens element; said third lens element has negative refracting power; said object-side surface of said fifth lens element comprises a concave portion in a vicinity of the optical axis, and said image-side surface of said fifth lens element comprises a convex portion in a vicinity of a periphery of the fifth lens element; and the optical imaging lens as a whole has only the five lens elements having refracting power.