1The lens is made of quality material, the lens is clear with multiple coatings, improves transmittance of light. 2Metal mount is precisely crafted, anti-corrosion and durable, fits cameras easily and perfectly and ensures good signal conductivity. 3Supports manual focus function, enable you to do precise adjustment of aperture. 4Provides better aperture when shoot with low light, helps create sharper and better quality images. 5Necessary accessory for photography lovers. Features:The lens is made of quality material, the lens is clear with multiple coatings, improves transmittance of light.Metal mount is precisely crafted, anti-corrosion and durable, fits cameras easily and perfectly and ensures good signal conductivity.Supports manual focus function, enable you to do precise adjustment of aperture.Provides better aperture when shoot with low light, helps create sharper and better quality images. Necessary accessory for photography lovers. Specification:Model: 35mm F1.7Material: Metal + Optical glass with multiple coatings Aperture: F/2.8-22Max. Aperture: F1.7 Lens construction: 5 Group of 6pcsFocus Focal Length: 35mm / 1.38inch Magnification: 0.11 timesDiameter: Approx. 60. 5mm / 2.38inch Length:Approx. 41mm / 1.61inch Weight: Approx. 328gApplicable for: Mirrorless APS-C Frame Suitable for Sony E-Mounts CamerasPackage List:1 x Lens2 x Caps 1 x Lens Bag1 x Cleaning Cloth