Compact and easy to slip into a pocket or pack, the NOCS Zoom Tube 8x32 Monocular Telescope brings nature closer with crisp optics in an easy-to-grip, water-resistant design. Authentic Bak4 Prisms and Fully Multi-Coated lenses provide a bright, wide field of view. The single cylinder features six pieces of glass, each individually coated with anti-reflective properties for a crisp, bright image and supreme clarity. Twist up eyecups with an adjustable eye relief of 2-11mm, NOCS works with or without glasses and corrects for astigmatism. Mount the Zoom Tube to any tripod for steady viewing with a 1/4" 20 threaded tripod adapter integrated into the frame. Medical-grade O-ring assembly and injected with nitrogen guarantees the lenses will never fog, ever. Built tough with an impact-absorbing housing and scratch-resistant lenses. Ridged casing provides functional comfort with unmatched grip. Rated IPX4: water-resistant to handle rain, fog and snow. Backed by NOCS No-Matter-What lifetime guarantee.