Fisheye Zenitar 2.8/16 MC Lens for Sony Alpha Minolta AF SLR Cameras 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. High definition,Optical resolution, Infrared and Night vision compatible.This lens has Sony Alpha/Minolta AF built-in mount. Front and rear lens caps, Lens case and strap, Manual. Made in Russia, Brand new