Nikon Introduces New PROSTAFF 7 Binoculars

June 1, 2011

Nikon Vision Co., Ltd., a subsidiary of Nikon Corporation, is pleased to present two new PROSTAFF 7 models, the 8x42 and 10x42. With fully multilayer-coated lenses and prisms, including phase-correction-coated roof prisms and high-reflection mirror coating prisms, the PROSTAFF 7 binoculars series offers a brighter image and higher resolution. The rubber armoring provides durability and a nonslip grip for comfortable holding.
Positioned between the Monarch and the Sporter EX series, these first PROSTAFF 7 series models deliver higher optical performance at an attractive price.

PROSTAFF 7 10x42

Key Features

  • All lenses and prisms are multilayer-coated to achieve brighter images.
  • Phase-correction-coated roof prisms deliver high resolution.
  • High-reflection mirror-coating prisms enhance image brightness.
  • High-eyepoint design provides a clear field of view, even for eyeglass wearers.
  • Turn-and-slide rubber eyecups with multi-click facilitate easy positioning of eyes at the correct eyepoint.
  • Waterproof up to 1 m/3.3 ft for 10 minutes and fog-free with nitrogen gas
  • Rubber armoring for shock resistance and a firm, comfortable grip
  • Eco-glass optics that are free of lead and arsenic are employed for all lenses and prisms

Nikon PROSTAFF 7 Binoculars Specifications

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PROSTAFF 7 8x42 PROSTAFF 7 10x42
Magnification 10×
Objective diameter 42 mm 42 mm
Angular field of view (real) 6.3° 6.0°
Angular field of view (apparent)* 47.5° 55.3°
Field of view at 1,000 m 110 m 105 m
Exit pupil 5.3 mm 4.2 mm
Relative brightness 28.1 17.6
Eye relief 19.3 mm 15.4 mm
Close focusing distance 4.0 m 4.0 m
Interpupillary distance adjustment 56-72 mm 56-72 mm
Length 175 mm 172 mm
Width 129 mm 129 mm
Weight 665 g 665 g
  • *Nikon has adopted a calculation method based on ISO 14132-1:2002.
    tan ω' = Γ x tan ω
    Apparent field of view: 2ω'
    Real field of view: 2ω
    Magnification: Γ

The information is current as of the date of publication. It is subject to change without notice.