National Geographic 10x25 Binocular

BUY FROM A VERIFIED USERAPPROVED NATIONAL GEOGRAPHIC OPTICS DEALERNATIONAL GEOGRAPHIC 10X25 BINOCULAR  Specifications: At only 170 g, these 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.·Magnification: 10 X·Objective Diameter: 25 mm·Field of View: 97/1000m·Optical Sytsem: Roof·Dimensions: 100x115x35mm·Weight: 190gDescription:National Geographic compact binoculars have a attractive, pocket sized design. The fully coated BK-7 optics and solid mechanics enable a true colour picture replication. *A diopter, is a unit of measurement of the optical power of alens or curved mirror, which is equal to the reciprocal of the focallength measured in metres (that is, 1/metres). It is thus a unit of reciprocal length   Please visit our Online Store for more of our quality products  optics