Pentax UP 8x21 Black BinocularsThe Pentax UP 8x21 Black binoculars are compact and lightweight, featuring BaK 4 Reverse Porro prisms and fully multi coated lenses resulting in increased light transmission while minimizing internal glare to allow for a bright, crisp clear view. Additionally the UP 8x21 series binoculars offer a 9. 2' close focus to observe closer objects in detail while maintaining an impressive 326' field of view at 1000 yds. The UP 8x21 series also feature a