Feature: 1. Using 7 groups of 10 optical structure design, including 2 ED lenses, effectively suppress chromatic aberration, provide excellent resolution. 2. 13 aperture blades form a circular aperture to present a soft out‑of‑focus blur effect with F1.05‑F16 aperture range create a soft effect. 3. The full‑frame fixed‑focus lens is commonly used for portraits with a focal length of 50mm and has a wide range of shooting uses. 4. F1.05 can have better performance in low light, and it can get better exposure without using higher iso. 5. Large aperture has more light input, so as to obtain the highest possible shutter speed. Suitable for Leica L mount camera. Specification: Item Type: Camera LensMaterial: Alloy + Optical GlassColor: BlackFilter Size: Approx. 58mm/2.3inWeight: Approx.1003.0g/25.4oz Focal Length: 50mm/1.97in Aperture:F1.05-16 Mount: L Mount Applicable for Leica L Mount Camera Frame: Full Frame/APS Blade: 13Pcs Optical Structure: 10 Elements in 7 GroupsClosest Focusing Distance: 0.57mViewing Angle: 46°Anti-shake: NoLens Type: Manual Focus Lens How to use: 1. Set the camera to the lensless release mode, otherwise the camera will not be able to take pictures 2. Align the lens mount identification point with the fuselage mount identification point, and rotate clockwise when you hear a "click" sound, it means the lens has been installed in place 3. If you need to remove the lens from the camera, press the body lens removal button, and then rotate the lens counterclockwise to take it out. Package List: 1 x Lens1 x Storage Box1 x Manual