Nikon 7572 PROSTAFF 5 10X50 Binocular (Black) See the outdoors up close in bright, lifelike color thanks to fully multicoated lens and prism system. Large 50mm objective lenses enhance viewing capability in lower light, lower contrast situations accompanying dawn and dusk. PROSTAFF 5's turn-and-slide eyecups and long eye relief provide a comfortable view for everyone, even when wearing eyeglasses,