Be prepared for any activity in any weather with lightweight, precision eyepieces from SWAROVSKI OPTIK. All of the eyepieces are watertight, compatible with the CTS and spotting scopes in the ATS/STS range, and can be quietly and simply changed at any time. A protective glass prevents dirt getting into the device, even when the eyepiece has been removed. With the 25-50x wide-angle eyepiece, you can enjoy viewing comfort across the entire magnification range. With a weight of only 295 g / 10.4 oz and a unique optical system with an aspherical lens for an edge-to-edge viewing experience in sharp detail, this eyepiece is also excellent for digiscoping.Swarovski 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)