Smart home access control wide-angle lens, a key link in the realization of smart home is image acquisition, and the most critical component of image acquisition is the optical system of the imaging lens. At present, the field of view of the lenses used in smart homes on the market is small, the resolution is low, and the imaging size is not large enough, resulting in many dead angles, dark, and blurred phenomena during shooting, which causes inconvenience in shooting. This wide-angle lens realizes all the image information of the scene, it is worthy of priority purchase!