PROSTAFF P7 10x50/12x50

Overview

Feature Icons

  • Roof (Dach) Prism Type
  • CF (Central Focusing)
  • Full Multilayer Coating
  • Wide Field of View*
  • Long Eye Relief
  • Rubber Coating
  • Waterproof
  • *12x50 model only

Application Icons

  • Birdwatching, nature watching
  • Outdoors, camping, hiking
  • Marine sports, fishing

Key Features

  • Lightest* body among 50mm-diameter objective lens binoculars
    • *As of February 17th, 2026, among binoculars with a 50mm-diameter objective lens and 10x or 12x magnification that had been released at that time. Based on Nikon Vision research.
  • Large-diameter objective lenses deliver dynamic views
  • Wide apparent field of view for an immersive experience (60.8° for 12x50 model)
  • Stylish, refined exterior design
  • Dielectric high-reflective multilayer and phase-correction coatings are employed
  • Oil- and water-repellent coatings on the objective lens and eyepieces
  • All lenses and prisms are multilayer-coated for brighter images
  • Dioptre adjustment ring locking system prevents unintentional rotation
  • Waterproof (up to 1m/3.3 ft. for 10 minutes) and fog-free with O-ring seals and nitrogen gas
  • Long eye relief design ensures 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
  • Rubber armouring for shock resistance and a firm, comfortable grip
  • Lightweight body uses fibreglass-reinforced polycarbonate resin
  • Optional tripod adaptor enables attachment to a tripod [Tripod adapter TRA-3]

Specifications

Swipe horizontally to view full table.

PROSTAFF P7 10x50 PROSTAFF P7 12x50
Magnification (x) 10 12
Objective diameter (mm) 50 50
Angular field of view (Real/degree) 6.0 5.6
Angular field of view (Apparent/degree) 55.3 60.8
Field of view at 1,000m/yd. (m/ft) 105/314 98/293
Exit pupil (mm) 5.0 4.2
Relative brightness 25.0 17.6
Eye relief (mm) 19.3 16.4
Close focusing distance (m/ft) 4.5/14.8 4.5/14.8
Length (mm/in.) 169/6.7 169/6.7
Width (mm/in.) 133/5.2 133/5.2
Depth (mm/in.) 58/2.3 58/2.3
Weight (g/oz.) 630/22.2 645/22.8
Interpupillary distance adjustment (mm/in.) 58-72/2.28-2.83 58-72/2.28-2.83
Waterproof structure Waterproof (up to 1m/3.3 ft. for 10 minutes)*, fogproof Waterproof (up to 1m/3.3 ft. for 10 minutes)*, fogproof
Type Roof Roof
  • *Not designed for underwater usage
  1. Note: Apparent field of view is calculated based on the ISO14132-1:2002 standard. For details, click here.