Sport Optics

Fieldscope Eyepieces SEP series for PROSTAFF 5

  1. Key Features
  2. Specifications
SEP-25
with PROSTAFF 5 60/60-A with PROSTAFF 5 82/82-A
Magnification (x) 20 25
Real field of view(°) 2.8 2.2
Apparent field of view (°)* 51.3 51.3
Field of view at 1,000m (m) (approx.) 48 38
Exit pupil (mm) 3.0 3.3
Relative brightness 9.0 10.9
Eye relief (mm) 17.6 17.6
Weight (g) 135 135
 
  • *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.
SEP-38W
with PROSTAFF 5 60/60-A with PROSTAFF 5 82/82-A
Magnification (x) 30 38
Real field of view(°) 2.3 1.8
Apparent field of view (°)* 62.1 62.1
Field of view at 1,000m (m) (approx.) 40 31
Exit pupil (mm) 2.0 2.2
Relative brightness 4.0 4.8
Eye relief (mm) 19.0 19.0
Weight (g) 185 185
 
  • *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.
SEP-20-60
with PROSTAFF 5 60/60-A with PROSTAFF 5 82/82-A
Magnification (x) 16-48 20-60
Real field of view(°) 2.6 (at 16x) 2.1 (at 20x)
Apparent field of view (°)* 39.9 (at 16x) 39.9 (at 20x)
Field of view at 1,000m (m) (approx.) 45 (at 16x) 36 (at 20x)
Exit pupil (mm) 3.8 (at 16x) 4.1 (at 20x)
Relative brightness 14.4 (at 16x) 16.8 (at 20x)
Eye relief (mm) 16.9 (at 16x) 16.9 (at 20x)
Weight (g) 225 225
 
  • *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.
  • *Nikon's calculation method for values of apparent field of view is based on the ISO 14132-1:2002 standard. For details, click here.