Features: 1.Wide Compatibility: The telephoto lens is generally applicable for PHONE, for Xiaomi and other mobile phone connections to take more beautiful pictures. 2.BAK4 Prism: BAK4 prism is a very good prism in optics. The exit pupil is round, and the light spot transmittance is very high, which is clear and bright. 3.Freely Stretchable: The freely stretchable design of the external telephoto camera lens is fun and interesting, which makes many telescope lovers like it very much. 4.Beautiful and Durable: The pure metal frame and special structural design make the telephoto lens durable, fashionable and beautiful with more exalted quality. 5.Easy to Use: The lens adopts concave convex anti slip design, which is not easy to slip. The rotating handwheel allow you to adjust the definition to achieve accurate focusing, so the operation is very convenient. specification:Item Type: Mobile phone telephoto lens Material: Plastic, metal, glass Weight: Approx. 312g/11oz Magnification: 10-300 times Lens Coating: FMC wide band green film of objective lens, blue film of eyepiece Focusing Mode: Rotary focusing, stretch focusing Prism Material: BAK4 Comfortable Distance: 0.5-3000m/19.7-118110.2in Prism System: Ridge system Tripod Interface: Support Compatibility: For PHONE, for Xiaomi and other mobile phones PackageList:1 x MobilePhoneTelephotoLens 1 x Mobile Phone Lens Holder 1 x Tripod 1 x Lanyard 1 x Wiping Cloth 1 x Lens Storage Bag 1 x Instructions