Kowa TSN-AR25BD Adapter Ring for Smartphone Digiscoping Holders

The Kowa TSN-AR25BD Adapter Ring for Smartphone Digiscoping Holders converts one ocular of the BD25 Binocular into a telephoto lens for your smartphone. It can be used with your Samsung Galaxy S5 or iPhone 5 or 6. In order to attach your smartphone to the binocular, simply screw this ring on a compatible digiscoping holder and push the ring onto the binocular eyepiece.