Product Comparison: Nikon Prostaff 3S vs Nikon Prostaff 7s

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General Specifications
Prostaff 3S
Prostaff 7s
About the Product
The new PROSTAFF 3S binoculars feature a 42mm-diameter objective lens — yet they are noticeably lightweight, with compact bodies, assuring superb portability. In addition, the large field of view allows the user to capture the subject easily, making these models particularly appealing to novices.
Nikon’s PROSTAFF 7S 10x42 is a lightweight, easy to hold, all-terrain binocular that features an advanced optical system designed to deliver sharper images.
Key Specs
Magnification Power
10 x
10 x
Prism Type
Lens Diameter
42 mm
42 mm
Exit Pupil Diameter
4.2 mm
4.2 mm
Eye Relief
0.59 in.
0.61 in.
What customers say about "Key Specs"
Nikon Prostaff 3S 10x42 Binocular for Hunting and Birdwatching, Black
  • Very nice in the hand. Decent feel and quality. Worth the money.
  • Excellent image quality and very easy to hold steady even at my advanced age!
  • Feel good when handled, bright and sharp image.
  • Aesthetically pleasing when using these binoculars light and tactile feel.
Nikon Prostaff 7s Binocular 42mm Roof Prism Armored
  • We bought these binoculars for our son in law for Christmas, he’s so happy with them!
  • Very sharp image, compared to the older Nikon binocs I've had since forever.
  • Love these binoculars...very bright and easy to locate objects while being of a nice size and weight.
  • Got these for the boat and birdwatching. Absolutely fabulous image quality.
  • Great pictures, but bad design
Size & Weight
5.9 in.
6.4 in.
5.1 in.
5 in.
2.0 in.
2.5 in.
20.3 oz.
22.7 oz.
Field of View
367 ft/1000 yds
324 ft/1000 yds
Shortest Focusing Distance
9.8 ft.
16.4 ft.
Field of View (degrees)
7.0 °
6.2 °
Included Accesories
Carrying Case, Neck Strap, Lens Caps
Lens Caps, Neck Strap, Carrying Case
Interpupillary Distance
2.2 - 2.8 in.
Long Eye Relief, Waterproof, Fogproof, Rubber-Armored Design
Waterproof, Fogproof, Nikon’s Advanced Optical System, Ergonomic, Rubber Armored Body, Turn-and-Slide Rubber Eyecups, Nikon's Lifetime Warranty
What customers say about "Features"
Nikon Prostaff 3S 10x42 Binocular for Hunting and Birdwatching, Black
  • Diopter adjustment has a good range.
  • The field of view is realy wide, recommended
  • Expensive but quality of this Bin is so good
  • The lens caps are silly design and fall off too easy.
  • Only negative is the twist out eye cups can retract prematurely when against your eyes whilst in use.
Nikon Prostaff 7s Binocular 42mm Roof Prism Armored
  • This is really waterproof binoculars, proven in practice.
  • Very comfortable to hold in your hands.
  • Good quality brightness and resolution that make it the perfect accessory for almost any outdoor activity, recommended!
  • Binoculars provide high-resolution images, but colors distortion too.
Warranty / Certifications
Manufacturer Warranty
1 year(s)
1 year(s)
Other Information
99.95 $
199.95 $

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