SIRUI Sniper Series 56mm F1.2 APS-C Autofocus Lens (X Mount, Black, Carbon Fiber)This Sirui Sniper Series APS C Autofocus Lens is a 56mm focal length lens. It is available with the X mount and is available in a Black color. The F1. 2 ultra fast aperture and budget friendly lenses could be your best shooting partner. Quick and Accurate Autofocus Supporting cameras Eye AF feature helps focus on human eyes easily even if the subject moves fast. When videoing, the subject is always detected and tracked, thus helping create a smooth