SpecificationEF Mount Cine Lens for Canon EOS Cameras, 18mm Fixed Focal Length, Iris Range – f/3.6-22, 14-Blade Iris for Smooth Bokeh,,, 12″ (300mm) Closest Focus Distance, Interchangeable Mounts, Compatible with PL-mount Cine Cameras, Compatible with Micro 4/3 S
German lens maker Carl Zeiss AG is one of the oldest optical companies in the world. It makes a wide range of high quality lenses, including medium format lenses for Hassel lad and Rolled, and large format designs for Sinar, and collaborates with Sony for its premium SLR lenses. Carl Zeiss also produces a range of high quality manual focus lenses to fit Canon, Nikon and Pentax SLR mounts, and M-mount lenses designed for its (Cosine-made) Zeiss Icon 35mm rangefinder.