Swarovski ATX Spotting Scope Modular Zoom Eyepiece (Angled Viewing) by Swarovski Fully Multi-coated Lenses: Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces Angled Body Design: Is favored by users of different heights for viewing without adjusting the tripod height as frequently. The angled design works well when viewing at an upward angle Magnesium Body: sturdy and resistant to corrosion Rubber Armoring: Provides a secure, non-slip grip