Swarovski Demo Products Swarovski 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). The right choice for anyone who appreciates top-quality digiscoping, the TLS APO 30 mm camera lens was developed as a complete system with the new ATX/STX spotting scopes. Its excellent optical quality makes it particularly attractive to the most discerning digiscopers who want to use APS-C/DX single-lens reflex cameras. The TLS APO 30 mm is supplied without the T2 adapter ring for Canon, Nikon and Sony SLR cameras.