This kit is designed for photography enthusiasts and professionals. 36X telephoto lens can magnify distant subjects and zoom in for vivid close-up shots. Great for people who like photography with their phone camera or like shooting when hiking, climbing, traveling, etc. Get the best view in your outdoor adventures, just feel free to enjoy bird watching, hunting, hiking, camping, traveling, wildlife and scenery. Optical magnification is 36 times, helping capture clear image The tripod stand is stable and no shaking Full metal mirror body with optical glass coating + BK4 prism combination Provide high-definition resolution, clear relative illumination, and good light transmission effect of Datong Light Prism Universal detachable screw-on clip fits most smartphones Simple and convenient operation Specification: Material: glass optics + aluminum alloy Applicable: Compatible with 98% of mobile phones Number of lenses: 6 pieces in 4 groups Prism type: Schmidt Roof Prism Coating: multi-layer coating Focus range: 5m and more Lens interface: M17*P0.75 Lens Length: 199mm Optical magnification: 36X