The SLC Binoculars from Swarovski combine extra-low dispersion (HD) glass elements and a range of proprietary optical coatings with a weather-resistant magnesium-alloy housing to create a multi-purpose set of glasses that delivers impressive image quality and durability. This configuration of the SLC displays an immersive 62Adeg apparent viewing angle; a long 16mm eye relief and multi-position twist-up eyecups enable a comfortable viewing distance for almost any observer.Fluorite-Containing HD Glass ElementsRoof Prisms with Phase CorrectionSWAROBRIGHT, SWAROTOP, SWARODUR CoatingsWide-Angle ViewingNitrogen Filled Fogproof/WaterproofOpen-Bridge ConfigurationMagnesium-Alloy Housing, Rubber ArmoredMechanical Center Focus SystemSwarovski 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)