Eyepieces
FEP-50W w/Case
Product Code: BDB803AA
Bayonet mount with lock for easy attachment and release
Fully multilayer-coated
Waterproof up to 2m for 10 min., and fog-free — thanks to O-rings and nitrogen gas (body-and-eyepiece joint is water-resistant)
Compact digital camera COOLPIX series can be attached to eyepiece of FEP series (except FEP-20-60) with Digital Camera Bracket FSB series
| Eye Relief (mm) | 17.8 |
| Weight (g) | 230 |
| Magnification x (Fieldscope 85) | 50 |
| Magnification x (Fieldscope 65) | 40 |
| Real field of view (degree) (Fieldscope 85) | 1.4 |
| Real field of view (degree) (Fieldscope 65) | 1.8 |
| Apparent field of view (degree) | 64.3 |
| Field of view at 1,000m*1 (m) (Fieldscope 85) | 24 |
| Field of view at 1,000m*1 (m) (Fieldscope 65) | 31 |
| Exit pupil (mm) (Fieldscope 85) | 1.7 |
| Exit pupil (mm) (Fieldscope 65) | 1.6 |
| Relative brightness (Fieldscope 85) | 2.9 |
| Relative brightness (Fieldscope 65) | 2.6 |
| Outer diameter x length (mm) | 63x71 |