*New RF mount is now available This exciting prime lens provides ultra wide-angle coverage up to 110° on Full Frame camera system. It is currently the widest T2.1 lens in the market covering large format sensor. The tiny size & light weight makes it a perfect companion with gimbals and run-and-gun shooting. The new Cine version comes with standard 0.8 mod gears on both aperture and focus rings. A standard 77mm filter thread is designed to mount screw-in filters easily. The lens also features a superb optical distortion control with all straight lines retained.