Objective Lens Diameter21 MillimetersMagnification Maximum8ColourBlackBinocular Prism DescriptionRoof PrismAbout this itemNational Geographic 8X21 Pocket BinocularsTechnical Specifications And FeaturesObjective Diame: 21Mm..

The high quality National Geographic Refractor Telescope 70×900 is equally at home viewing night skies or exploring natural landscapes..

BrandNATIONAL GEOGRAPHICOptical Tube Length500 MillimetersEye Piece Lens DescriptionBarlowObjective Lens Diameter76 MillimetersTelescope Mount DescriptionAltazimuth MountFocus TypeManual FocusFinderscopeReflexItem Weight3 KilogramsFocal Length DescriptionCompact Dobsonian telescope for beginners and..

NATIONAL GEOGRAPHIC 8x42 WP Binoculars The 8x42 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 8x42 has Bak-4 p..

The 8×42 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 8×42 has Bak-4 prisms and is fully multi coated. This a..

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Specifications:4 5/16″W x 1 5/16H x 3D.Description:At only 6 1/2 ounces, our 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..