Celestron Nature DX Roof Prism Binoculars 10x50 Black

VERSATILE, ALL-AROUND BINOCULARS: These binoculars are for birdwatching, nature observation, stadium, arena, or anywhere you want a close-up view of the action without sacrificing brightness or detail BaK-4 PRISMS: The prisms inside Nature DX feature BaK-4 glass with phase coatings applied to maximise light transmission and enhance bright, highly detailed images DURABLE, WATERPROOF, AND NITROGEN PURGED: A rubber-armoured, polycarbonate housing protects your binoculars from damage and stands up to even the toughest weather conditions, nitrogen purging prevents internal fogging of the lenses EYEGLASS FRIENDLY: Generous eye relief and sturdy, twist-up eyecups with multiple stops 8.2' CLOSE FOCUS: Suitable for birding