Offering an extremely wide field of view in a compact form factor, the 4mm f/2.8 Circular Fisheye Lens from 7artisans Photoelectric provides a 225° angle of view for  Canon (EOS-M Mount) mirrorless cameras. As a circular fisheye, this lens is characterized by its noticeable distortion, and the greater-than-180° angle of view enables making 360° stitched panoramas with just two shots. Well-suited for low-light conditions, the lens sports a bright f/2.8 maximum aperture, and its manual focus design permits working with subjects as close as 3.3" away for close-up shooting, Additionally, the lens's lightweight design makes it well-suited for use on drones and gimbals.