This is the 6mm Wide Angle Lens, an add-on for the Raspberry Pi High Quality Camera. It has a wide field of view and a variety of uses, like CCTV applications, or of course, cat photos. Includes a thumbscrew to quickly and easily assemble onto the HQ Camera Board. Wide angle lenses are good for getting shots of a big area, for wildlife cameras, security cameras, doorbell cams, etc. The video may be distorted around the edges to fit it all into the sensor.For use with the