Ttartisan 50mm f0.95 lens mf full frame for leica m mount m3 m9 m10 camera lens as the largest aperture stop of full-frame photographic lenses, f0.95 perfectly explains the meaning of creamy bokeh and the maximum light it can capture in low light condition. Compatible with Sony camera A7II A7RII A9 A7SII A6300 A3500.