The Canon RF 16mm f/2.8 STM lens is a compact wide-angle prime with a bright maximum aperture ideal for photographing architectural subjects and astrophotography scenes. The optical design incorporates one aspherical element to control distortion and contributes to accurate rendering. This unique lens also sports a close 5.1″ minimum focusing distance for close-up shooting and the STM AF motor enables smooth and quiet focusing performance to suit both photo and video applications. The lightweight design and broad field of view also make this lens an enticing option for vlogging and content creation.