The Samyang 135mm f 2 ED UMC lens is a manual focus prime that allows for delicate, artistic photography. The lens' Ultra Multi Coating (UMC) technology optimises light transmission & minimises flare & ghosting. This bright f 2 telephoto prime expresses vibrant colour & soft out-focusing area which makes it the best lens to shoot portrait, night scenery, wild-life & journalism photography. Compatible with Sony's full-frame a 7 II, a 7R II & a 7S II compact system cameras.