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  7. PROSTAFF 7 8x42/10x42 - Specifications
PROSTAFF7 8x42 PROSTAFF7 10x42
Magnification (x) 8 10
Objective diameter (mm) 42
Angular field of view (Real/degrees) 6.3 6.0
Angular field of view (Apparent/degrees) 47.5 55.3
Field of view at 1,000m (m) 110 105
Exit pupil (mm) 5.3 4.2
Relative brightness 28.1 17.6
Eye relief (mm) 19.3 15.4
Close focusing distance (m) 4.0
Interpupillary distance adjustment (mm) 56-72
Weight (g) 665
Length (mm) 175 172
Width (mm) 129
Type 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.[Open in a new window]