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 F1.7 Material: Metal + Optical glass with multiple coatings Aperture: F/2.8-22 Max. Aperture: F1.7 Lens construction: 5 Group of 6pcs Focus Focal Length: 35mm / 1.38inch Magnification: 0.11 times Diameter: Approx. 60. 5mm / 2.38inch Length:Approx. 41mm / 1.61inch Weight: Approx. 328g Applicable for: Mirrorless APS-C Frame Suitable for Sony E-Mounts Cameras Package List: 1 x Lens 2 x Caps 1 x Lens Bag 1 x Cleaning Cloth