Patent ID: 8498068

Claim:
A lens module, comprising: a lens barrel comprising an object-side end and an image-side end opposite to the object-side end; a first lens received in the lens barrel, and adjacent to the object-side end; a second lens received in the lens barrel, and adjacent to the image-side end in relative to the first lens; and a spacer positioned between the first lens and the second lens, the spacer being an annular plate, and comprising an object-side surface, an image-side surface opposite to the object-side surface and an inner sidewall, the object-side surface facing the first lens, the image-side surface facing the second lens, an intersection of the object-side surface and the inner sidewall forming a chamfer wherein an included angle is formed between the chamfer and an optical axis of the lens module, the included angle is greater than about 30 degrees and less than about 60 degrees.