1、The shell is made of quality materials, sturdy, wear-resistant and anti-corrosion 2、The lens adopts premium optical glass with multiple coatings, can greatly block unnecessary light to reduce halo and dispersion 3、28mm fixed focal length, minimum focusing distance is 0.25m, which is good for various kinds of shooting, portraits, scenery, still life, etc 4、Supports manual focusing, ranging from f1.4 to f16, enough for most uses 5、Lightweight and practical, a good alternative for expensive original lens This lens can offer professional effect for mirrorless cameras, the optical glass lens is clear with high transmittance. The multiple coating can block unnecessary light to create quality images. The lens has a 28mm fixed focal length, suitable for various kinds of shootings, portraits, scenery, still life, etc. Features: The shell is made of quality materials, sturdy, wear-resistant and anti-corrosion. The lens adopts premium optical glass with multiple coatings, can greatly block unnecessary light to reduce halo and dispersion. 28mm fixed focal length, minimum focusing distance is 0.25m,  which is good for various kinds of shooting, portraits, scenery, still life, etc. Supports manual focusing, ranging from f1.4 to f16, enough for most uses. Lightweight and practical, a good alternative for expensive original lens. Specification: Material: alloy + plastic + optical glass with coatings Color: Black Type: APS-C Angle: 56 °@APS-C Structure: 8 elements of 7 groups Focal Length: 28mm Aperture: F1.4-F16 Minimum Focal Distance: 0.25m Focus: manual focusing adjustment Mounting Thread: 52mm / 2.05inch Lens Size: Approx. 65 x 58mm / 2.56 x 2.28inch Weight: Approx. 478g Package List: 1 x Lens 1 x Lens Hood 1 x Clean Cloth Camera is not included. Note: Suitable for digital mirrorless interchangeable-lens camera only.