The Nitro 10X36 features ED Prime glass, EXO Barrier lens coating, BAK-4 phase coated prisms and fully multi-coated lenses for superior contrast and resolution in low light conditions. Lightweight, compact, and waterproof, this binocular is game for use in any condition. ED Prime Glass Bushnellrsquo;s highest quality glass delivers amazing color, resolution and contrast, even in low-light conditions. Exclusive EXO Barrier Protection Bushnellrsquo;s newest and best protective lens coating molecularly bonds to the glass, repelling water, oil, dust, debris and preventing scratches. PC-3 Phase Coating Applied to the prisms, it enhances resolution and contrast. IPX7 Waterproof Construction O-ring sealed optics stay dry inside, when immersed in three feet of water for up to 30 minutes. Specifications Magnification x OBJ. Lens 10x36mm Color Gunmetal Gray Field of View (ft @1000 yd / m @ 1000m) 341yd / 113m Length 4.8in / 121mm Weight 21.9oz / 620g Eye Relief 17.0mm / 0.669in Exit Pupil 3.6mm / 0.142in Close Focus 7ft / 2m Eye Cups Twist-up Prism System Roof Prism Glass BaK-4 Lens Coatings Fully Multi-Coated Protective Lens Coating Yes, EXO Barrier Waterproofing Yes, IPX7 Extra-low Dispersion Glass Yes, ED Prime Phase Correction Coating Yes, PC3 Phase Coating Dielectric Prism Coating No Ultrawide Band Coating No Lead Free Glass Yes Locking Diopter No Permafocus No Image Stabilization No Adapts To Tripod Yes