Steiner is renowned for its high quality. Consistent with those standards, it delivers life time satisfaction in optical performance. The 7x50 Commander XP binocular bears the marks of excellence, indicated by the Steiner HD (High Definition), which delivers optimum clarity. Its abundant light transmission, which is over 96% peak, is outstanding. The 7x50 Commander XP is steady and bright. It excels in low light situations where other binoculars fail to deliver. Waterproof, nitrogen filled, and shock resistant, the binocular is fully submersible. It can withstand water pressure up to 15 feet and sustain extreme abuse. That is why the 7x50 Commander XP is favored by law enforcement professionals, hunters, boaters, hikers, birders, and outdoor enthusiasts all over the world.