Sport Optics

MC Fieldscope Eyepieces for Observation

  1. Key Features
  2. Specifications
20x/25x MC
With III/III A/EDIII/EDIII A With ED82/ED82 A
Magnification (x) 20 25
Angular field of view (Real/degree) 3.0 2.4
Angular field of view (Apparent/degree) 55.3 55.3
Field of view at 1,000m (m) (approx.) 52 42
Exit pupil (mm) 3.0 3.3
Relative brightness 9.0 10.9
Eye relief (mm) 15.2 15.2
Weight (g) 75 75
 
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
  • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
    • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
27x/40x/50x MC
With ED50/ED50 A With III/III A/EDIII/EDIII A With ED82/ED82 A
Magnification (x) 27 40 50
Angular field of view (Real/degree) 1.7 1.1 0.9
Angular field of view (Apparent/degree) 42.0 42.0 42.0
Field of view at 1,000m (m) (approx.) 30 19 16
Exit pupil (mm) 1.9 1.5 1.6
Relative brightness 3.6 2.3 2.6
Eye relief (mm) 9.4 9.4 9.4
Weight (g) 35 35 35
 
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
  • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
    • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
    • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
24x/30x wide MC*2
With III/III A/EDIII/EDIII A With ED82/ED82 A
Magnification (x) 24 30
Angular field of view (Real/degree) 3.0 2.4
Angular field of view (Apparent/degree) 64.3 64.3
Field of view at 1,000m (m) (approx.) 52 42
Exit pupil (mm) 2.5 2.7
Relative brightness 6.3 7.3
Eye relief (mm) 15.1 15.1
Weight (g) 145 145
 
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
  • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
    • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
20x/30x/38x wide MC*1*2
With ED50/ED50 A With III/III A/EDIII/EDIII A With ED82/ED82 A
Magnification (x) 20 30 38
Angular field of view (Real/degree) 3.6 2.4 1.9
Angular field of view (Apparent/degree) 64.3 64.3 64.3
Field of view at 1,000m (m) (approx.) 63 42 33
Exit pupil (mm) 2.5 2.0 2.2
Relative brightness 6.3 4.0 4.8
Eye relief (mm) 17.9 17.9 17.9
Weight (g) 160 160 160
 
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
  • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
    • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
    • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
27x/40x/50x wide MC*1*2
With ED50/ED50 A With III/III A/EDIII/EDIII A With ED82/ED82 A
Magnification (x) 27 40 50
Angular field of view (Real/degree) 2.7 1.8 1.4
Angular field of view (Apparent/degree) 64.3 64.3 64.3
Field of view at 1,000m (m) (approx.) 47 31 24
Exit pupil (mm) 1.9 1.5 1.6
Relative brightness 3.6 2.3 2.6
Eye relief (mm) 17.8 17.8 17.8
Weight (g) 165 165 165
 
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
  • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
    • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
    • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
40x/60x/75x wide MC*1*2
With ED50/ED50 A With III/III A/EDIII/EDIII A With ED82/ED82 A
Magnification (x) 40 60 75
Angular field of view (Real/degree) 1.8 1.2 1.0
Angular field of view (Apparent/degree) 64.3 64.3 64.3
Field of view at 1,000m (m) (approx.) 31 21 17
Exit pupil (mm) 1.3 1.0 1.1
Relative brightness 1.7 1.0 1.2
Eye relief (mm) 17.0 17.0 17.0
Weight (g) 175 175 175
 
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
  • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
    • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
    • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
13-30x/20-45x/25-56x MC zoom*1
With ED50/ED50 A With III/III A/EDIII/EDIII A With ED82/ED82 A
Magnification (x) 13-30 20-45 25-56
Angular field of view (Real/degree) 3.0 (at 13x) 2.0 (at 20x) 1.6 (at 25x)
Angular field of view (Apparent/degree) 38.5 (at 13x) 38.5 (at 20x) 38.5 (at 25x)
Field of view at 1,000m (m) (approx.) 52 (at 13x) 35 (at 20x) 28 (at 25x)
Exit pupil (mm) 3.8 (at 13x) 3.0 (at 20x) 3.3 (at 25x)
Relative brightness 14.4 (at 13x) 9.0 (at 20x) 10.9 (at 25x)
Eye relief (mm) 12.9 (at 13x) 12.9 (at 20x) 12.9 (at 25x)
Weight (g) 100 100 100
 
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
  • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
    • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
    • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
13-40x/20-60x/25-75x MC II zoom*1*2
With ED50/ED50 A With III/III A/EDIII/EDIII A With ED82/ED82 A
Magnification (x) 13-40 20-60 25-75
Angular field of view (Real/degree) 3.0 (at 13x) 2.0 (at 20x) 1.6 (at 25x)
Angular field of view (Apparent/degree) 38.5 (at 13x) 38.5 (at 20x) 38.5 (at 25x)
Field of view at 1,000m (m) (approx.) 52 (at 13x) 35 (at 20x) 28 (at 25x)
Exit pupil (mm) 3.8 (at 13x) 3.0 (at 20x) 3.3 (at 25x)
Relative brightness 14.4 (at 13x) 9.0 (at 20x) 10.9 (at 25x)
Eye relief (mm) 14.1 (at 13x) 14.1 (at 20x) 14.1 (at 25x)
Weight (g) 150 150 150
 
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
  • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
    • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
    • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.
  • *1These eyepieces are not to be used for Fieldscope I series.
  • *2Turn-and-slide rubber eyecup.
    • Note: All eyepieces can be used for Fieldscope II series and ED78 series.
  • Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.