- Quick Setup: Align your eyepiece with your smartphone camera in under 1 minute. Connect your phone to your optical instrument effortlessly, saving valuable time and enhancing your viewing experience. - Versatile Compatibility: The universal phone adapter holder comes with 3 additional rubber rings, accommodating eyepieces with outer diameters ranging from 28 mm to 49 mm. It easily mounts on most binoculars, monocular telescopes, spotting scopes, and microscopes. - Smartphone Friendly: Designed to fit a wide range of mobile phones, the adapter supports widths from 65 mm to 105 mm, making it compatible with over 99% of smartphone models, including popular brands like iPhone, Samsung, LG, and Sony. - User-Centric Design: The rotating and adjustable phone holder eliminates the risk of accidentally pressing the volume and power buttons while using your device. This unique design allows for effortless alignment and quick focusing. - Practical Applications: Capture stunning images of celestial bodies through your telescope, document samples with your microscope, or enhance wildlife observation with your binoculars. This adapter is perfect for nature enthusiasts, students, and hobbyists alike. - Quality Performance: Engineered for reliability, this adapter combines durability with ease of use, ensuring you achieve clear, detailed images in every situation. Elevate your viewing and imaging capabilities with this essential phone adapter.