NATIONAL GEO 8X21 SUB -COMPACT ROOF PRISM BINOCULAR
4 5/16"W x 1 5/16H x 3D.
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.