Koah Artisans Series 7.5mm f/2.8 Wide-Angle Fisheye Lens for EF-M Mount

Focal Length: This wide-angle manual focusing lens offers a focal length of 7.5mm Angle of View: It offers a 180-degree fisheye view with minimum focusing up to 4.7 feet Aperture: Compact, portable design with an aperture range of f/2.8-22 Compatibility: It is appropriate with EF-M mount cameras Optical Construction: features 11 elements in 9 groups design