MC Fieldscope Eyepieces for Observation

Key Features

  • All lenses are multilayer coated for maximum brightness of view field. "MC" stands for Multilayer Coating.
  • Turn-slide rubber eyecup is applied to the wide type eyepiece for comfortable viewing. It helps you position your eyes at the correct eyepoint.
  • Optics employ Eco-glass containing no arsenic or lead.

20x/25x MC eyepiece*

27x/40x/50x MC eyepiece

24x/30x wide MC eyepiece*

20x/30x/38x wide MC eyepiece

27x/40x/50x wide MC eyepiece

40x/60x/75x wide MC eyepiece

13-30x/20-45x/25-56x MC zoom eyepiece

13-40x/20-60x/25-75x MC II zoom eyepiece

  • *Not recommended for Fieldscope ED 50/ED50A.

Specifications

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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

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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

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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

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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

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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

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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

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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

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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.
Related Links

Fieldscopes