Minisize lens structure used for industrial endoscopic camera module

The utility model relates to a lens structure of an industrial endoscopic camera module, and especially relates to a minisize lens structure of an industrial endoscopic camera module. The waterproof and dustproof lens structure comprises an infrared color filter, a lens base, a lens, a lens barrel and an image sensor. The rear end of the lens barrel is located in the lens base. The infrared color filter is placed at the front end of the lens. The infrared color filter and the lens barrel are located at the front end of the lens base. The beneficial effects of the waterproof and dustproof lens structure are that: the minisize lens structure can decrease the size of the industrial endoscopic camera module in a condition of low cost, and portability and micromation of the whole product are achieved.