1. [Universal Phone Adapter]The phone adapter is specially designed for connecting smartphone to binoculars, monocular telescopes, microscopes, ting scopes, astronomical telescope. 2. [Versatile with Precise Focus]The telescope phone adapter fits any eyepiece with outer diameter of 23mm - 50mm and ports eyepieces with or without lens covers. It can be easily switched between modes. 3. [Compatible with Most Smartphones]With 66mm - 95mm stretchable width, the telescope phone clip is compatible with most smartphones on the market. For phones with multiple camera lenses, please use the clamp with the primary camera lens. 4. [Compact and ]Only weighing 102g, the microscope phone mount can be held with a single hand and is easy to carry outdoors. The curved design on both sides of the phone clamp makes it easy to reach an optimal size or diameter. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store