NATIONAL GEO 8X21 SUB -COMPACT ROOF PRISM BINOCULAR

At only 6 1/2 ounces, our water-resistant, rubber-armored binoculars are ideal for tossing in your backpack wherever you travel. Individually focusing eyepieces with BAK-4 roof prisms and multicoated lenses increase contrast and resolution and bring birds and wildlife eight times closer. Field of view is 413 feet at 1,000 yards. Focuses on subjects as close as 15 feet.FEATURES
Type: Standard binoculars
Application range: Sports, Nature, Hiking
Prism glass: BK-7
Focus type: Center
Extras: Rubber armouring
Colour: black
Prism and lens materials made of BaK-7 glass material
Optical surfaces are blue fully coated
Centre-wheel focusing
Individual eyepiece dioptre adjustment
Robust, rubber armoured binocular body