1. [Wide Compatibility]With a clamp width range of 66 - 95mm, this phone mount for telescope can accommodate most of smartphones on the market. Additionally, the smartphone digiscoping adapter can hold eyepieces with outer diameters ranging from 23 - 50mm, making it compatible with most telescopes, spotting scopes, monoculars, binoculars, and microscopes. 2. [360° Rotatable Design]The telescope phone mount features a 360° rotation design, allowing for quickly switching between horizontal and vertical modes, capturing the perfect shot has never been easier. This innovative design ensures that you can effortlessly adjust your phone to achieve the ideal angle for your photos and vid. 3. [With Added Fixing Screw]The upgraded version telescope phone holder has a added fixing screw that can securely locks the lens focus position, prevent any shifting of the phone during the usage process. 4. [Quickly Clamp the Phone and Slide Focus]The telescope phone mount features a spring clip for quick and easy installation of your phone. Its innovative slide design allows for fast and accurate focusing, ensuring that you can capture sharp and clear images with ease.