- ? Fast, Ultra Wide-Angle Rectangular-Image Fisheye Lens with HSM (Hyper Sonic Motor) System - Mount-Crop: Canon EF-S MountAPS-C - Type-Focal: 10mm, Angle of View 167° - Aperture: Max f/2.8, Min f/22 - Filter-Grams: 12 Elements in 7 Groups - 83.1 x 75.8mm, 475g