Alpen Optics RAINIER 8x32 Waterproof, Long Eye Relief, BAK4, UBX, PXA-SHR Coatings, A-LOCK Diopter Waterproof / Fogproof - Nitrogen filled Long eye relief to see full field of view when wearing glasses UBX Fully Multi-coated - SHR metalic coated - PXA Phase coated A-LOCK Locking Diopter Ring and Twist-lock Eyecups BaK4 High Index Glass