Featuring the highest quality image intensifier tubes, the National Geographic 5 x 50mm Night Vision Binoculars takes you as close as possible to the subject. Premium quality glass optics used in the objective and ocular lenses ensure a crystal clear view. The easy central focusing feature fits your viewing preference. This infrared night vision binocular has a fully-adjustable inter-ocular distance that ensures a personal fit. The unique infrared illuminator present in this binocular delivers clear and bright viewing even in complete darkness. This infrared binocular has an angular field of view of 15 degrees and a field of view of up to 53 feet. One advantage of this National Geographic binocular is that it operates even if the battery voltage is low. The protective finish safeguards the binoculars. See more with the powerful National Geographic 5X binoculars.