The Pentax XCF Binoculars offer enhanced optical performance with multi-coated optical elements, viewing comfort and a black-finish body encased in full-body rubber housing. They come with an objective lens diameter of 50 mm and magnification of 10x to help you focus on distant objects accurately. This pair of binoculars has an eye relief design of 13 mm to provide a clear view and is usable by spectacle wearers. In addition, the binoculars feature fully-coated optics and come with an exit pupil diameter of 5 mm. Featuring 6.5 degrees angle of viewing, these Pentax binoculars let you view fast moving objects clearly.