The iPhone Digiscoping Adapter Ring from Swarovski connects your PA Series iPhone Adapter to the eyepiece of the ATS, STS, ATM, or STM Swarovski Spotting Scopes. This adapter ring, together with the PA adapter, allows you to use a select Swarovski Spotting Scope as a high power telephoto lens. Simply thread this ring to your PA Adapter and slide it over a scope's eyepiece. This ring is made of anodized aluminum and has a rim knurl which provides a good grip.Features:Anodized Aluminum ConstructionRequires PA Series iPhone AdapterConverts a Scope Into a Telephoto LensFor ATS, STS, ATM, & STM Spotting ScopesSwarovski Demo ProductsSwarovski demo products have been slightly used for display or demonstrations by Swarovski during outdoor industry events. They may exhibit minor cosmetic imperfections that will vary from demo product to product. Swarovski demo products and their included accessories are guaranteed by Swarovski to operate to the standards for a new product. In rare cases, one or more accessories may be missing. All Swarovski demo products are covered by the Swarovski Limited Lifetime Warranty (View Warranty)