Ttartisan 11mm f/2.8 is a fish eye lens. It offers an extremely wide viewing angle, thanks to which the photographers work can be even more creative! The lens is intended for cameras with Canon EOS-R mounting. The maximum aperture hole F2.8 increases the possibility of working in difficult lighting conditions. Extended shots and surreal showing of the image can open new inspirations for sports and landscape photography. The minimum sharpening distance is 17cm! The most important features of the TTARTISAN 11MM F2.8 Canon EOS-R lens: Fish Oko manual lens designed for camera with Canon EOS-R. 180 degree viewing angle for full frames, optical system - 11 elements in 7 groups Aperture range F2.8 - F16 Effectively Construction: aluminum body with anodized color pattern; The lens has many brass elements, compact and light: 439 g