OG 3.0 Adapter Ring OG 2.0 Just clip in and start

Just clip in and start glassing

It's the perfect accessory to safeguard your investment

Designed for universal phone compatibility and easy reuse with future devices

Compatible with all double-barrel binoculars

this eyecup offers superior comfort and stability

OG 3.0 Adapter Ring OG 2.0 Just clip in and startRequired Items for a complete system: 1. OG 3. 0 Adapter Ring 2. OG 3. 0 Magnetic Mounting Plate 3. OG 3. 0 Optic Spacer The Adapter Ring: This is the foundation of the On Glass adapter system. The spacer of your choosing will twist lock inside of this adapter. The Magnetic Mounting Plate will slide into one of the slots at the bottom of the adapter in order to properly center your phone camera on your optic.