Patent 7636208 was granted and assigned to Hon Hai Precision Industry Co Ltd on December, 2009 by the United States Patent and Trademark Office.
A lens module includes a barrel and a first lens. The barrel has a body and a step-profiled part. The step-profiled part is inwardly extended from an inside wall of the body. The first lens is accommodated in the barrel. The first lens has a first step-profiled structure disposed around the circumference thereof. The first step-profiled structure is formed corresponding to the step-profiled part so as to fasten the first lens to the barrel.