National Geographic 8x40 Porro Binoculars Now we are going to get a little bit bigger. These classic 8x40 binoculars are able to show you observed details, even from a long distance very clear. Let your journey of discovery begin. Features: - Lenses and prisms made from optical glass material (BK-7) - Centre focus - Rubber coated / lacquered - Diopter adjustement - Tripod connection threads - Porro prism systems - Objective lens diameter: 40 mm - 8x magnifi cation - Colour: Black Optical specifications: - Magnification max. 8 - ED glass 0 - LE Eyepieces 0 - Objective diameter (mm) 40 - Material prismn BK-7 - Eyepieces for eyeglass wearers 0 - Diopter setting 1 - Electronics, hardware & software - Batteries included 0 - General technical data - Waterproof 0 - Compass 0 - Inert gas purged 0 - Tripod adapter thread 1 - Focusing system Central focus wheel - Single eye adjustment 0 - Zoom function 0 What's in the box x 1 National Geographic 8X40 Porro Binocular