National Geographic Binoculars 10x50 Porro Prism Steel Black

This elegant Porro prism binocular is perfect for bird and nature observation. With excellent optical properties and fully coated optics, these binoculars offer improved light transmission, color rendition, and contrast. The 10x magnification provides a steady image, even on windy days, while the 50 mm diameter lenses offer sufficient light for twilight observations. With a diopter adjustment and a tripod adapter thread, these binoculars are very versatile and suitable for longer observations. The bag and shoulder strap are included. Product specifications - Colour: black - Gender: unisex - Material: steel, rubber - Dimensions: 19.5 x 19 x 3.2 (lxwxh) - Weight: 780 grams - Optical specifications: - Lens diameter: 50 mm - Magnification: 10 - Prism material: BK-7 - Field of view at 1000 m: 96 m - Field of view: 5.49 degrees - Brightness: 25 - Twilight factor: 22.36 - Technical specifications: - Revolutions focus: 1.25 - Interpupillary distance min: 5.68 cm - Interpupillary distance max: 7.16 cm