Be bright with the Vulture HD 10x56 mm binoculars . The Vulture HD series binoculars , with a 56 mm objective lens, have amazing light transmission and incredible quality in low light conditions - very important at sunrise and sunset when the game is at its most active. The roof prism system , fully multi-coated optics and patented XR coating provides an extremely sharp image with improved brightness . The use of ArmorTek coating on all outer walls of the lenses resists scratches and damage.Features:HD (high-density) glass dielectric prism coatings that increase image resolutionXR lens anti-reflective coatingGlossy lens, 56 mm diameterArgon fill (noble gas)Rubberized housingReinforced housing water resistanceArmorTek housing phase correctionKit contents:Binocular caseHinged optical cleaning clothDocumentationThis product is covered by the VORTEX VIP LIFETIME WARRANTY* Vortex Optics VIP Lifetime Warranty *If anything happens to the product, Vortex will repair or replace it with a brand new product.* The warranty does not cover loss, theft, intentional destruction or cosmetic damage that does not affect the operation of the product. TECHNICAL SPECIFICATIONSPage informationGas refill ArgonAngular field of view [°] 6.1Dioptric adjustment [±] 5Linear field of view at 1000 m [m] 106Min. Focal length [m] 3Distance from eye [mm] 18.2Magnification [×] 10Aetrolens distance [mm] 57-73Objective efficiency 24.8Prism arrangement roofDistance from pupil [mm] 7Additional informationMovable eyecups YesApplication (intended use) huntingDimensionsWeight [g] 1111Objective diameter [mm] 56Width [mm] 147Total height [mm] 167