The award winning Passion HD binoculars is the flagship products of GPO and have been recognized as some of the best binoculars available in the world. What makes these special is the extreme high light transmission proprietary 99.7 ags GPObright lens coating technology that is applied to every optical surface making the fully multi-coated binocular. Their magnesium body and center focus locking diopter are components found in other super premium European optics. Featuring double HD glass technology center focusing locking diopter tough aluminum eye-cup tubes ultra eye relief and PASSIONdrop hydrophobic coating. Includes instruction manual cleaning cloth hard case strap neoprene neck strap objective covers ocular covers.