National Geographic 8X40 Fernglas Binocular

The classic Porro prism binocular are rugged and compact, making it the ideal traveling companion.
The classic Porro prism binocular are rugged and compact, making it the ideal traveling companion. The lenses and prisms of BK-7 glass provide high image quality. Focusing takes place via a convenient center focusing knob. Thanks to the diopter adjustment these binocular are suitable for spectacle wearers. Product Features: Brand: National Geographic Binocular Type: Binoculars Prism Type: Porro Magnification: 8 fixed Objective Diameter: 40 mm Material Prism: BK-7 Exit pupil min: 5 mm Diopter setting: Yes Field of view at 1000 m: 110 m Light Intensity: 25 Twilight factor: 17.7 Near focus from: 7 m Focusing system: Central focus wheel Interpupilar distance min: 56 mm Interpupilar distance max: 72 mm Eye relief: 15 mm Temperature range min: -10 C Temperature range max: 40 degree Celsius Color: Black Body armoring: Rubber Dimension: 172 x 155 x 55 mm Net Weight: 80 gm Details: Rugged and compact Ergonomic body Adjustable interpupillary distance with ergonomic body