8x40 Porro Binocular

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.

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