Patent ID: 8493673

Claim:
A lens module comprising: a barrel having a semi-enclosed object end and an image end, the barrel defining a receiving space communicating between the object end and the image end; a first lens; a second lens; and a first spacer; wherein the first lens, the first spacer and the second lens are received in the receiving space in an order from an object side to an image side of the lens module, each of the first lens and the second lens comprises an optical portion and a non-optical portion around the optical portion, the first spacer is positioned between and contacts the non-optical portion of the first lens and the non-optical portion of the second lens, the second lens comprises an image-side surface, the non-optical portion on the image-side surface comprises a first contact portion contacting the first spacer, the first contact portion defines a first notch surrounding the optical portion of the second lens, the first notch has a triangular cross section in a direction parallel to an optical axis of the lens module.