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Nikon Prostaff 3s 8x42

  • Binoculars Nikon Prostaff 3s 8x42
  • Binoculars Nikon Prostaff 3s 8x42
Manufacturer data


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Nikon Polska
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Manufacturer Nikon
Model Prostaff 3s 8x42
Lens diameter [mm] 42
Magnification [x] 8
Angular field of view [deg] 7.2
Linear field of view [m/m] 126/1000
Exit pupil [mm] 5.25
Eye relief [mm] 20.2
Min. focusing dist. [m] 3
Twilight factor 18.33
Brightness 27.56
Prisms BaK-4/roof
Dimensions [mm] 152x130x52
Weight [g] 565
Waterproof Yes
Nitogen filling Yes
Argon filling No
Image stabilization No
Tripod exit Yes
Focusing central
Warranty [years] 10
Price 0
Additional information Announced: March 2016
Waterproof (up to 1m/3.3 ft. for 10 minutes)
Body uses fiberglass-reinforced polycarbonate resin
Silver-alloy mirror coating applied on the mirror surfaces of the prisms
Average rating (1 owners reviews)
Build quality
Optical quality
Accesories and usage
Value for money


4.00 Good
Owners reviews (1)
  1. SB
    SB 19 March 2018, 04:04
    Build quality
    Optical quality
    Accesories and usage
    Value for money


    IP 199.7.x.x
    Owner since: 1 month
    Price: $120
    User profile: Amateur

    Cons: Low light transmission. Significant internal reflections. Eyepiece cover is very loose.

    Pros: Sharpness is decent - both on axis and towards the edge. Minimal astigmatism and coma. Lightweight (570g). Small physical size (15.2cm x 12.1cm x 4.9cm). Great build quality - housing, central focuser, eyecups, and diopter focuser all excellent.

    Summary: Average FOV (7.2). Moderate chromatic aberration (to be expected). Despite the cons, these make a good inexpensive pair for day/travel use - lightweight, small, well built, and good sharpness.