Lite-Tech Porro Prism 7 x 50. A classic porro prism binocular in an affordable Lite Tech package. This one offers an excellent wide-angle field of view, which makes it stand out in the mix of porro prism binoculars. BaK-4 prism glass. Full multi- coating. Wide angle field of view. Polymer frame w/ergonomic body armor. Tripod/monopod compatible. Limited lifetime warranty.