Super Large Aperture of F 0.95, Killer in Low Light and DarkProviding precious light input, 50mm f 0.95 lens allows you to have more creative leeway in dark and low-light condition. Shallow Depth of Field, Nice BokehA 14-blade diaphragm contributes to a smooth and pleasing bokeh quality. ED and ASPH Glass, Sharp at Wide OpenTTArtisan M50/ 0.95 lens has an optical structure of 11 elements in 8 groups. One large-sized aspherical element and eight high refractive elements ensure the image sharpness at wide open. Design of Clicked ApertureThe precise and smooth feel of aperture gives you a master photography experience.