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.
PROSTAFF 3S has a rugged rubber-armored coating to provide a non-slip grip, even in the wettest conditions.
Excludes lost or stolen products and intentionally caused damage, and also excludes Nikon Rangefinders, Reflex Sights, Red Dot Sights, StabilEyes Binoculars & Specialty Optics.
Fociusing System: CF
Objective Diameter: 42mm
Angular Field of View: Real: 7 degrees Apparent: 62.9 degrees
Field of View @1000 yards: 367 ft
Close Focus Distance: 9.8 ft
Exit Pupil: 4.2 mm
Relative Brightness: 17.6
Eye Relief: 15.7 mm
Size (Lx W, in inches): 5.9 x 5.1
Weight: 20.3 oz