7artisans 50mm F1.1 is a distinctive manual lens that is distinguished on the market, intended for Leica M (via the adapter, it can be used in other cameras, e.g. Sony E, Nikon with etc.) for the construction of the lens, aluminum and copper were largely used ( attachment of the lens). 50mm in combination with the world F1.1 and exceptional background blur - this is a choice of many portraits! The lens is characterized by a precise, compact and solid construction. The minimum sharpening distance is 70cm. The lens owes its attractive and characteristic background blur to the optical and 12-list system. Technical data: focal length: 50mm aperture range: F1.1 - F16 Optical structure: 7/6 Viewing field: 46 degrees aperture leaves: 12 min. Sharp distance: 0.7m filter size: 55mm Weight lens: 398g Fastening: Leica M