Enjoy Exploring Fun: With this universal cellphone telescope adapter, connect your phone with telescope or microscope to explore far beautiful scene and amazing mini world. Eyepiece Size: The phone scope mount works with telescope, binoculars, monocular, spotting scope. The eyepiece outer diameter range: 27-47mm Safe & : The to connect phone and eyepiece. Keep your device from being scratched and damaged. Fits telescope,binoculars;monocular;spotting scope;night vision monocular and most optical device Mobile phone clamp support range: 57-95mm Screw specification: 1/4 inch-20 pitch colour: black Material: aluminum alloy + plastic Size: about 11x12x5cm Package Contents: 1 x Telescope Phone Adapter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.