1、Metal lens frame is sturdy, wear-resistant and anti-corrosion, can offer anti-shock protection to lens. 2、Adopts premium optical glass with multiple coatings, high resolution and provide photographer with high quality images. 3、12mm focal length, minimum focal distance is 20cm, it supports focus to infinite. 4、F0 large aperture, can control the sensitivity of camera sensor to improve the image quality. Angle is up to 97 degree, almost no distortion. 5、Good for various kinds of shooting, building, scenery, night sky, etc. Features: Metal lens frame is sturdy, wear-resistant and anti-corrosion, can offer anti-shock protection to lens. Adopts premium optical glass with multiple coatings, high resolution and provide photographer with high quality images. 12mm focal length, minimum focal distance is 20cm, it supports focus to infinite. F 2.0 large aperture, can control the sensitivity of camera sensor to improve the image quality. Angle is up to 97 degree, almost no distortion. Good for various kinds of shooting, building, scenery, night sky, etc. Comes with lens covers and cleaning tools. Lightweight and practical, a good alternative for expensive original lens. Specification: Material: Metal+Optical Glass Color: Black Lens Type: for mirrorless lens Lens structure: 9 groups, 12 pieces Angle: 97 ° Aperture range: F 2.0 - F22 Lens Weight: 277g Lens focal length: 12mm Filter size: 62mm Lens distortion: q < 1.5% Lens coating: wide-band permeable coating Aperture blade: 10 pieces Focus range: 20cm - infinity Frame: APS-C Focusing Type: Manual Focus Options: for Sony E mount, for Canon EF-M mount, for Fuji FX Mount, for M/3 mount Size: 8*6*6cm/ 3.15* 2.36* 2.36inch Package list: 1 x Lens 1 x Front Cover 1 x Rear Cover 1 x Lens Cloth 1 x Manual