https://www.sunny-automotive.com/products/surround-view-lens/
1. What is an automotive lens?
The automotive lens is an integral part of the imaging system of the vehicle camera and is the key to the imaging quality. Generally speaking, an automotive lens consists of a lens, a spacer and a lens barrel. The lens is an important factor affecting the amount of light entering. It consists of multiple layers of lenses. The main factors affecting its quality are the material (glass or plastic) and the coating.