PURPOSE: A camera module is provided to reduce alignment faults of lenses through simple manipulation. CONSTITUTION: An incident hole is formed on a hollow type lens barrel(110). The incident hole receives light. A protrusion(113) is formed on the inner circumferential surface of the lens barrel. A lens holder(120) is inserted inside the lens barrel. The lens holder is supported by the protrusion. The lens holder comprises a penetration hole. An alignment groove(123) is formed on the circumference of the lens holder. A first lens(130) is inserted inside the lens barrel. The first lens is rotate with the lens holder as one body.
