12x magnification; Larger 50mm objective gathers more light for better detail in low light; Low light visibility; Exceptional Clarity - Premium Bak-4 glass with Phase Correction and a dielectric coating; Rugged Construction - Featuring a shockproof body and durable rubber armor; Nitrogen filled for waterproof and fogproof performance in harsh weather conditions; Comfortable Design - Featuring no-slip texturing, a soft neoprene neck strap; Robust aluminum eyecups for extreme ruggednes; Open bridge design reduces weight and is comfortable to hold; Tripod adapter mount