Nikon Prostaff 3S Full Size Binoculars - 10x42

Nikon Prostaff 3S Full Size Binoculars - 10x42 - 

• Optics Designed for Brighter Views: PROSTAFF 3S features an optical system created from lead-and-arsenic-free Eco-Glass. Multilayer coatings, which provide high light transmittance across the entire visible light spectrum, are applied for bright images. High-reflectivity silver-alloy mirror coating applied on the mirror surfaces of the prisms for a bright and clear view.
• Long Eye Relief: Nikon has manufactured the PROSTAFF 3S binoculars, as well as many other of its optics, with a high-eyepoint design for long eye relief without vignetting. This provides a clear field of view for everyone, even when the user is wearing eyeglasses.
• Rubber-Armored Design: PROSTAFF 3S has a rugged rubber-armored coating to provide a non-slip grip, even in the wettest conditions.
• Waterproof and Fogproof: PROSTAFF 3S binoculars are Nitrogen filled and O-Ring sealed for complete waterproof and fogproof performance.
• Color:    Black
• Magnification:    10 x
• Objective Lens Diameter:    42 mm
• Prism System:    Roof
• Prism Material:    BAK-4
• Eye Relief:    15.7 mm
• Exit Pupil:    4.2 mm
• Field of View, Angle:    7 degrees
• Binoculars Focus System:    Center Focus
• Close Focus:    9.8 ft
• Weight:    20.3 oz
• Magnification Type:    Fixed
• Dimensions:    5.9 x 5.1 in