Sport Optics

EDG Eyepieces FEP Series

  1. Key Features
  2. Specifications
FEP-20W FEP-30W FEP-38W FEP-50W FEP-75W FEP-25 LER FEP-20-60
Magnification (x)*1 20
16
30
24
38
30
50
40
75
60
25
20
20-60
16-48
Real field of view*1 (degree) 3.3
4.1
2.4
3.0
1.9
2.4
1.4
1.8
1.0
1.2
2.4
3.0
2.2-1.1
2.8-1.4
Apparent field of view*2 (degree) 60 64.3 64.3 64.3 64.3 55.3 42-60
Field of view at 1,000m*1 (m) 58
72
42
52
33
42
24
31
17
21
42
52
38-19
49-24
Exit pupil*1 (mm) 4.3
4.1
2.8
2.7
2.2 1.7
1.6
1.1 3.4
3.3
4.3-1.4
4.1-1.4
Relative brightness*1 18.5
16.8
7.8
7.3
4.8 2.9
2.6
1.2 11.6
10.9
18.5-2.0
16.8-2.0
Eye relief (mm) 20.1 25.4 17.9 17.8 17 32.3 18.4-16.5
Outer diameter x length (mm) 63x59 63x81*3 63x74 63x71 63x71 63x77 63x99
Weight (g) 240 390*3 230 230 230 320 330
 
  • *1Top row: When attached to EDG Fieldscope 85/85-A,
    Bottom row: When attached to EDG Fieldscope 65/65-A
  • *2Nikon 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.
  • *3With detachable turn-and-slide eyecup.
  • *1Top row: When attached to EDG Fieldscope 85/85-A,
    Bottom row: When attached to EDG Fieldscope 65/65-A
  • *2Nikon 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.
  • *3With detachable turn-and-slide eyecup.
  • *1Top row: When attached to EDG Fieldscope 85/85-A,
    Bottom row: When attached to EDG Fieldscope 65/65-A
  • *2Nikon 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.
  • *3With detachable turn-and-slide eyecup.
  • *1Top row: When attached to EDG Fieldscope 85/85-A,
    Bottom row: When attached to EDG Fieldscope 65/65-A
  • *2Nikon 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.
  • *3With detachable turn-and-slide eyecup.
  • *1Top row: When attached to EDG Fieldscope 85/85-A,
    Bottom row: When attached to EDG Fieldscope 65/65-A
  • *2Nikon 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.
  • *3With detachable turn-and-slide eyecup.
  • *1Top row: When attached to EDG Fieldscope 85/85-A,
    Bottom row: When attached to EDG Fieldscope 65/65-A
  • *2Nikon 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.
  • *3With detachable turn-and-slide eyecup.
  • *1Top row: When attached to EDG Fieldscope 85/85-A,
    Bottom row: When attached to EDG Fieldscope 65/65-A
  • *2Nikon 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.
  • *3With detachable turn-and-slide eyecup.
  • *1Top row: When attached to EDG Fieldscope 85/85-A,
    Bottom row: When attached to EDG Fieldscope 65/65-A
  • *2Nikon 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.
  • *3With detachable turn-and-slide eyecup.