Fisheye Zenitar 2.8/16 MC Lens for Canon EOS Camera Focal length: 16mm, Relative aperture: F/2.8-22mm, Angle of view 180 degrees, Multi Coated, Manual Focus Ideal for architecture, landscape, and group pictures. The fisheye lens is fitted with an instant opening diaphragm and equipped with a set of light filters High definition,Optical resolution, Infrared and Night vision compatible.This lens has Canon EOS built-in mount Front and rear lens caps, Lens case and strap, Three 26.5mm filters (light red, light yellow, dark yellow), Filter case, Manual Made in Russia, Brand new, 1 Year International warranty