Extreme climate tested to outperform in all conditions the highly versatile SX-4 Pro Guide HD Gen 2 15-45x65mm features Diamond-Coat scratch-resistant lenses with Guard-ion lens coating that sheds dirt water and smudging for greater HD resolution and clarity across the magnification range. Other upgrades include the Arca Swiss tripod adapter for a quick and secure setup and FormFit interchangeable eyecups for all-day comfort. This rugged spotter is a must have for any serious hunter or shooter who’s looking for a little more magnification and HD performance that is guaranteed to perform for life. – Elite Optical System – Arca-Swiss Compatible Base – Diamond Coat 2 – Fully Multi-coated Lens System – High-Definition Performance – Phase Coated – Tripod Ready – Armor Coated – Integrated Sunshade – Over-sized Eyepiece – Smooth Focusing – Interchangeable Form-Fit Eyecups – Waterproof and Fogproof – Specifications – Eyepiece Style Angled – Tripod Included No – Length (in) 14.1 – Weight (oz) 62 – Magnification Max 45 – Magnification Min 20 – Objective Diameter (mm) 65 – Linear FOV Low Mag (ft@1000yds) 131 – Linear FOV High Mag (ft@1000yds) m68.1 – Angular FOV Low Mag (Degrees) 2.5 – Angular FOV High Mag (Degrees) 1.3 – Eye Relief Low Mag (mm) 20 – Eye Relief High Mag (mm) 17.6 – Exit Pupil Low Mag 4 – Exit Pupil High Mag 1.4 – Close Focus Distance (ft) 22