The Magview S1 Sync Spotting Scope Adapter is designed to easily connect your smartphone to a compatible spotting scope for efficient photo and video capture while outdoors. With a universal fit for eyepieces measuring 51mm to 60mm in diameter, the S1 uses a self-aligning magnetic mount and includes a Magview phone plate to streamline the digiscoping experience. Universal fit for 51mm60mm spotting scope eyepieces Magnetic mount for fast, secure smartphone attachment Made in the USA with lightweight construction Simple to use and built for durability, the Magview S1 Sync Adapter makes documenting outdoor moments more accessible for digiscoping enthusiasts and nature observers alike.