DS Fieldscope Eyepieces for Digiscoping
Fieldscope | 16x/24x/30x Wide DS | 27x/40x/50x Wide DS | 40x/60x/75x Wide DS |
---|---|---|---|
Magnification (x) | 16 24 30 |
27 40 50 |
40 60 75 |
Angular field of view (Real/degree) |
4.5 3.0 2.4 |
2.7 1.8 1.4 |
1.8 1.2 1.0 |
Angular field of view* (Apparent/degree) | 64.3 | ||
Field of view at 1,000m (m) (approx.) |
79 52 42 |
47 31 24 |
31 21 17 |
Exit pupil (mm) | 3.1 2.5 7.5 |
1.9 1.5 1.6 |
1.3 1.0 1.1 |
Relative brightness | 9.6 6.3 7.3 |
3.6 2.3 2.6 |
1.7 1.0 1.2 |
Eye relief (mm) | 18.7 |
17.8 | 17 |
Weight (g) | 170 | 180 | 190 |
Top : With Fieldscope ED50/ED50 A
Middle : With Fieldscope III/III A/EDIII/EDIII A
Bottom : With Fieldscope ED82/ED82 A
- *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.