The PENTAX XCF series combines outstanding optical performance with exceptional value. Ruggedly styled and providing excellent viewing comfort, the PENTAX XCF series binoculars are as easy to operate as they are to afford. High-quality BaK4 prisms and multi-coated optical elements ensure excellent image quality and light transmission. Soft but durable rubber eyepiece rings can be folded back for the convenience of eyeglass wearers. And a centrally-located, extra large focus wheel affords fast and accurate focusing.