3S Nikon Prostaff 10×42 binoculars

Ultra-compact and lightweight binoculars PROSTAFF 3S are ideal for nature watching. The ultra-thin profile and easy-to-grip they are very convenient to use.

Waterproof and protected from fogging design makes this model truly weatherproof. Multilayer-coated lenses and a highly reflecting coating prisms deliver clear and bright image.

In addition, model 10×42 offers a wider viewing angle without reducing the take-out point of sight. It makes finding objects, especially moving, such as birds, much easier.


B optical system Roof uses a pair of prisms offset optical axis and with the increased speed of the beams (compared to c, Roggo prisms). It makes binoculars with prisms Roof slimmer and more compact. Coating the reflecting surfaces of the prisms silver coatings with a reflect factor of 95-97% improves the brightness and clarity of color.

Multicoated lenses reduce diffusion of light and improve contrast image.

The case is made of polycarbonate, for durability reinforced with glass fiber. This material has a density of 1.18 g/cm3 (lower than y aluminum alloys), high wear resistance and resistance to temperature extremes. Rubber coating prevents the device from mechanical damage and low-impact bumps.

Have Nikon Prostaff 3S 10×42 design waterproof, protected from atmospheric precipitation and water and can withstand 10-minute stay in the water (to a depth of 1 m) without loss of integrity. The inner space filled with dry nitrogen protects lenses from fogging in conditions of 95-98% humidity.

Swivel-retractable eyecups with a multi-clinic design cut out light glare and help properly position the eye relative to the ocular lens. 15 mm remove the output pupil enough for comfortable observations in spectacles. Central focus configures clarity image simultaneously in both eyes.

  • Lens diameter (mm) 42
  • Waterproof Yes
  • Field of view (°) 7,0
  • Magnification (x) 10
  • Exit pupil (mm) 4,2
  • The takeaway point of sight (mm) 15,7
  • The relative brightness of 17.6
  • Minimum focus distance (m) 3
  • Adjust the distance between the centres of the eyepieces (mm) 56-72
  • Type of prism Roof
  • Food No
  • Weight 575
  • Size 150х130х52
  • The country manufacturer China

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