A universal holder for the lens features a metallic adjustable handle that can be extended to hold the mobile phone or digital camera and users can focus the holder right or left to adjust the lens's center to the camera phone or digital camera. After the adjustment is finished, users can lock the knob and long focal lens in lens adapter and click away. The Mobile Phone Camera Telescope allows users to turn any Mobile Phone or digital camera into a professional unit with 8X zoom power.The lens comes with manual focus functionality enabling you to take DSLR type pictures. No battery/charging required to operate this lens. Adjustable focus Easy Installation. With the Universal clip, the lens can easily be attached to use and removed when not needed. Descriptions: 8X Field of view: 246m Angle of view: 7 Size: 30x70mm Package Includes: 1x Telephoto Lens 1x Holder 1x Wipe Cloth