NATIONAL GEOGRAPHIC 10x42 waterproof Binoculars The 10X42 binoculars are very versatile Roof binoculars: waterproof, handy and a product of craftsmanship with high quality in mind. Twist-up eyecups adapt the binoculars easily to observers with or without spectacles. Diopter compensation is standard. The binoculars have BaK-4 prisms and are fully multi-coated. This allows for colour fidelity and high contrast. The objective cap system allows for quick opening and closing. The caps can be completely removed without any difficulty. Furthermore, a tripod adapter thread is integrated. FEATURES � roof prisms � fully multi-coated � waterproof � Brillentr�gerokulare � diopter compensation � tripod adapter thread SCOPE OF DELIVERY � binoculars � case � floating strap � manual Technical Data Field of application Field of application [Binoculars] Watersport & Sailing Type Type [Binoculars] Standard Binoculars Optical specifications Optical design Roof Magnification (fixed) 10 Objective diameter (mm) 42 Material prismn BaK-4 Type of coating Fully multi-coated Eyepieces for eyeglass wearers 1 Diopter setting 1 Field of view at 1000m 7) (m) 104 General technical data Waterproof 1 Tripod adapter thread 1 Focusing system Central focus wheel Colour black Dimensions & weights Total length (mm) 150 Total width (mm) 1310 Total height (mm) 55 Net weight (without access.) (g) 710