FMC & BAK-4 PRISM: 8X40 binoculars for adults with fully green film coating on objective lens for superior light transmission. High-index Bak-4 prism for bright, clear, crisp viewing which allow you capture each beauty of the world;
DRY NITROGEN WATERPROOF: This waterproof binoculars 8x40 purged and completly sealed nitrogen gas inside provides reliable performance on water resistant, fogproof and moisture proof function, Don't worry this it will let you down evan in toughest weather conditions and rugged environments;
SHARP OPTICS AND EASY ADJUST: This long distance binocular for birds watching with professional ultra definition 342ft at 1000yards brings far away scenery up close to your eye even skywatching at night; Extral wide view of 6.5°allow you enjoy more wider excellent viewing in the nature. Smooth central focus knob provides easy rapid focusing; Turn-and-Slide Rubber Eyecups allow for comfortable viewing even last for hours;
SOLID RRAME AND WIDELY APPLICATION: This high definition binoculars for birds watching with durable leather-armored coating finish for shock resistance and a anti-slip design in the back for comfort grip even use in wet environment without fear of damage ideal for astronomy study, star viewing, hunting wildlife, bird watching, travelling, hiking , observing, nature watching and concert ect....;
PRODUCTS GUARANTEE AND FRIENDLY SERVICE: 8x40 compact binoculars are fully tested before packing. We offer 12 months replacement or money back if any dissatisfactory. the nice customer service will always be happily to respond you within 8-12 hours;
