Leupold BX-2 Alpine HD 10x52 BinocularsThe Leupold BX 2 Alpine HD 10x52 Binoculars give you a 53% increase in light gathering over the Alpine HD 10x42. This means easier dawn and dusk viewing on a hunt or at a night game. The field of view for a 10x50ish binocular in this price range is a respectable 303' at 1000 yards. The rubber armored magnesium chassis is waterproof and nitrogen purged and weighs in at 2 lbs. exactly. Leupold's Advanced Optical System provides the light throughput,