Patent ID: 9568710
Date: 2017-02-14
CPC Classifications: G02B

Claim:
1. An imaging lens comprising a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element arranged in order from an object side to an image side along an optical axis of said imaging lens, each of said first lens element, said second lens element, said third lens element, said fourth lens element, said fifth lens element and said sixth lens element having a refractive power, an object-side surface facing toward the object side, and an image-side surface facing toward the image side, wherein: said object-side surface of said first lens element has a convex portion in a vicinity of the optical axis; said object-side surface of said second lens element has a convex portion in a vicinity of a periphery of said second lens element, and said image-side surface of said second lens element has a concave portion in a vicinity of the periphery of said second lens element; said object-side surface of said third lens element has a convex portion in a vicinity of the optical axis, and said image-side surface of said third lens element has a convex portion in a vicinity of the optical axis; said object-side surface of said fourth lens element has a convex portion in a vicinity of the optical axis, and said image-side surface of said fourth lens element has a convex portion in a vicinity of the optical axis; said fifth lens element is made of a plastic material; said object-side surface of said sixth lens element has a convex portion in a vicinity of the optical axis; said imaging lens satisfies (G said imaging lens does not include any lens element with refractive power other than said first lens element, said second lens element, said third lens element, said fourth lens element, said fifth lens element and said sixth lens element, and satisfies TTL/T