Sport Optics

PROSTAFF 7S 8x42/10x42

  1. Key Features
  2. Specifications
PROSTAFF 7S 8x42 PROSTAFF 7S 10x42
Magnification (x) 8 10
Objective diameter (mm) 42 42
Angular field of view (Real/degrees) 6.8 6.2
Angular field of view (Apparent/degrees) 50.8 56.9
Field of view at 1,000m (m) 119 108
Exit pupil (mm) 5.3 4.2
Relative brightness 28.1 17.6
Eye relief (mm) 19.5 15.5
Close focusing distance (m) 4.0 4.0
Length (mm) 167 164
Width (mm) 129 129
Depth (mm) 55 55
Weight (g) 650 645
Interpupillary distance adjustment (mm) 56-72 56-72
Type Roof Roof
Note Nikon's calculation method for values of apparent field of view is based on the ISO 14132-1:2002 standard. For details, click here. Nikon's calculation method for values of apparent field of view is based on the ISO 14132-1:2002 standard. For details, click here.
  • Note: Nikon's calculation method for values of apparent field of view is based on the ISO 14132-1:2002 standard. For details, click here.