The Vortex Viper HD 20-60x85 makes quick decisions and achieves total success in shooting sports.High image resolution and accurate colour reproduction will make every ornithologist and wildlife observer appreciate the Viper HD spotting scope. Only such an accurate image will allow you to accurately determine the colour of a bird's plumage and observe every detail of its surroundings.The triple apochromatic lens system allows you to admire celestial objects with unprecedented detail.Whether you're in the woods, at the shooting range or watching the late night sky, the Vortex Viper HD observing scope will give you an incredible colour and clarity of vision. OpticsHD lenses - precision-machined glass with high-density lenses, characterised by very low dispersion and expressive detail thanks to increased optical resolution and dielectric prism coatings - observe the world in true colour, even in low light conditionsXR anti-reflective coatings - enjoy vivid images even in overcast or twilight conditions, thanks to Vortex's patented XR anti-reflective coatingsporro prisms - choose a proven solution. The main advantages of porro prisms are lower light loss and precise designsimple construction - find your target faster and more accurately in a standing or lying positionwaterproof and dustproof - watch game and birds even in rain or sandstorms. The seals effectively prevent moisture, dust and dirt from penetrating, ensuring reliability in really tough conditionscorrosion resistance - ever had a lens fog up, making it impossible to see? Now, thanks to nitrogen charging, you can avoid a situation where lenses evaporate due to temperature differencesArmorTek - lens glass in good condition and scratch-free for years. ArmorTek technology is a tough and scratch-resistant coating that protects the outer lens from accidental damage, oil and dirtCustomizable eyecup adjustment - adjust the height of the eyecups to suit your needs. Adjust the eyecups to the lowered position when wearing glasses. When observing without glasses, raise them to a height that allows a full field of view through the binoculars Lens cover - pull out the lens cover to completely reduce glare from strong sunlight, or to protect the lens glass from splashing in the rainRotating mounting ring - adjust the telescope to any angle that is convenient for hunting, shooting or game viewing in betweenDouble zoom - for precise focusing at maximum zoom9Linear field of view at 1000 m [m] 33.7-16.7Min. Focal length [m] 11Distance from the eye [mm] 19.6-17.8Magnification [×] 20-60Additional informationStand mountable YesTube type (construction) straightDimensionsTotal length [mm] 457Weight [g] 2166Objective diameter [mm] 85