The triplet apochromatic lens is made of high-density (HD) extra-low dispersion (ED) glass to increase light transmission, minimize distortion, and virtually eliminate chromatic aberration. All air-to-glass surfaces have Vortex's XRPlus anti-reflective coatings to minimize light loss and maximize image brightness, while the Porro prisms have highly reflective dielectric coatings that improve brightness, clarity, and color accuracy. This combination of coatings and optics creates a spotting scope that produces bright, clear, high-contrast images with accurate color rendition.The lightweight and armored magnesium chassis is O-ring sealed and argon filled to be water and fogproof. A helical focus system, with a wide adjustment collar, allows for fast, yet fine focusing even when wearing gloves. The scope has a 1/4"-20 tripod mounting shoe and a tripod collar that rotates to permit the eyepiece to be positioned in the best viewing position. A retractable lens shade helps to reduce glare while keeping snow or rain off the objective lens.Performance
·27-60x zoom magnification
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·85mm objective lens
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·Traditional Porro prism optical path
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·High-density (HD) extra low-dispersion (ED) glass improves resolution and color fidelity
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·Triplet apochromatic (Apo) lens increases color, sharpness, contrast
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·XRPlus fully multi-coated optics increase light transmission and image brightness
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·Dielectric prism coatings produce bright, clear, color-accurate images
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·ArmorTek: Hard, scratch-resistant lens coating protects exterior lenses from scratches, oil, and dirt
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·117-68' field of view at 1000 yards
·Use and Handling
·Angled viewing
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·Eyepiece is set 45° to optical tube for comfortable viewing when standing, sitting, or lying prone
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·Helical focusing collar allows for fast, fine adjustments
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·3-1.4mm exit pupil
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·Twist-up rubber eyecup for easy use with or without eyewear
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·17-16.7 mm eye relief
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·Rotating tripod ring allows rotation of the eyepiece to a sideways position, providing adjustable viewing angles
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·1/4"-20 tripod mount
·Construction Details
·Lightweight and corrosion-resistant die-cast magnesium-alloy chassis
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·Rubberized armoring protects while providing slip-resistant handling
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·Argon-filled optical tube prevents internal fogging over a wide range of temperatures
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·O-ring seals prevent moisture, dust, and debris from penetrating the optical tube
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·Built-in retractable sunshade reduces glare and shields the objective lens from raindrops and snow
·Magnification 27 to 60xObjective Lens Diameter 85 mmField of View 27x: 117.0' @ 1000 yd / 39.0 m @ 1000 m
60x: 68.0' @ 1000 yd / 23.0 m @ 1000 mMinimum Focus Distance 16.4' / 5.0 mExit Pupil Diameter 27x: 3.1 mm
60x: 1.4 mmEye Relief 17.0 to 16.7 mmFogproof Yes, Argon FilledWater Resistance WaterproofTripod Mounting Thread 1/4"-20 FemaleDimensions L: 15.5" / L: 39.4 cmWeight 4.1 lb / 1.9 kg
