Waterproof And Fogproof Camouflage Design Binoculars / 12x Magnification, 42mm Objective Diameter / Wide Angle Field Of View / PrismRoof Design # The Monarch 12x42 ATB Team Realtree APG Camouflage Binoculars feature an advanced new roof prism Optical design. It incorporates Nikon’s exclusive Eco-Glass (made without the use of arsenic or lead) for all Lens and prism elements. The prisms feature phase-correction coatings and high reflection mirror coatings for superior sharpness and resolution. All lenses and are fully coated with multiple layers of anti-reflective compounds for maximum light transmission. The result is much improved low-light brightness, edge-to-edge sharpness, and definition. These 10x42 binoculars have a field of view of 262 inches @ 1,000 yards, 3.5mm exit pupil. Built with an extremely durable alloy body housing, they are ruggedly constructed for true waterproof, fogproof and shockproof performance, and have a camouflage finish! Focusing System: Central Focus # Magnification: 12x # Objective Diameter: 42mm # Angular Field of View (Real): 5° # Angular Field of View (Apparent): 55.3° # FOV at 1000 yds: 262 ft # Close Focus Distance: 8.2 ft # Exit Pupil: 3.5mm # Relative Brightness: 12.3 # Eye Relief: 15.4mm # Size: (Length x Width)5.7 x 5 in # Weight: 21.8 oz # Interpupilary Distance: 56-72mm # Phase Coating # Waterproof and fogproof # Team Realtree APG Camo Finish # PrismRoof