Patent ID: 8014655

Claim:
A camera module, comprising: a lens barrel comprising a substantially cylindrical inner wall and a flange extending inward from the inner wall at a first end of the inner wall; a first lens disposed in the lens barrel, and comprising a first optical portion and a first fixing portion surrounding the first optical portion, the first fixing portion comprising a first object-side surface contacting the flange, an opposite first image-side surface, and a first side surface between the first object-side surface and the first image-side surface; a second lens received in the lens barrel, and comprising a second optical portion and a second fixing portion surrounding the second optical portion, the second fixing portion comprising a second object-side surface engaging with the first image-side surface of the first lens, an opposite second image-side surface and a second side surface between the second object-side surface and the second image-side surface, the second side surface of the second lens comprising a first portion adjacent to the flange and a second portion away from the flange, the first portion tightly abutting the inner wall, the second portion spaced a distance from the inner wall to form a filling space therebetween, an annular groove being defined at a periphery portion of the second image-side surface of the second lens, the annular groove communicating with the filling space; and adhesive applied in the filling space between the second portion and the inner wall.