Magview S1 SYNC Spotting Scope Adapter - The MAGVIEW S1 now features SYNC our self-aligning magnetic system that aligns your phone with your optic for faster, more accurate digiscoping. Built-in rare-earth magnets seamlessly connect your device without the need for bulky adapters or cases. Flip open the cap, connect your device, and SYNC takes care of the alignment so you're always ready to capture the moment. Features Fits eyepiece sizes 51mm-60mm (2.0in-2.36in) Includes SYNC auto-aligning phone disc and alignment tool Includes Spotting Scope Adapter, sizing rings, eye-relief spacers, and phone plate Made in the USA