Features: -- Compatible with most phone on the market (Large width range:53-97mm) -- Universal holder connecting smart phones telescopes can separately fit all stard tripod (Not Included ) -- Phone is protected by High density EVA pads it will not damage your phone's screen -- Adjustable clamping force: The phone clamping part features adjustable locking mechanism with a steel bolt (not a spring) -- Easy one touch mounting system locks releases the device with a push -- Rotary adjustment bracket eyepiece fixed size -- Compatible with Binocular monocular telescope microscope spotting scope night vision etc Specifications: Color: Black Fit For: Most of mobile phone (53-97mm width) Fit For: 26-47mm diameter eyepieces Package Included: 1 x Telescope Phone Holder Note: 1 Due to the different monitor light effect, the actual color of the item might be slightly different from the color showed on the pictures 2 Please allow 1-3cm measuring deviation due to manual measurement ( 1 inch = 2 54 cm )