Patent ID: 7667906
Filing Date: 2010-02-23
Classification: G02B

Abstract:
1. A lens module, comprising: a lens barrel, the lens barrel including an outer surface, an aperture end, an image sensing end located opposite to the aperture end, a front stopper, a back stopper and an adjusting magnet; the lens barrel defining an aperture in the aperture end and an image sensing opening in the image sensing end; the front stopper being an annular block fixed to an outside of the aperture end, and the back stopper being an annular block fixed to an outside of the image sensing end; a lens, the lens being mounted in the lens barrel; and a sleeve barrel, a part of the lens barrel being slidably mounted in the sleeve barrel, the sleeve barrel including a positioning magnet group, the positioning magnet group cooperating with the adjusting magnet to selectably position the lens barrel in at least two different positions in the sleeve barrel.