Eyepieces
FEP-20W w/Case
Product Code: BDB800AA
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) | 20.1 |
| Weight (g) | 240 |
| Magnification x (Fieldscope 85) | 20 |
| Magnification x (Fieldscope 65) | 16 |
| Real field of view (degree) (Fieldscope 85) | 3.3 |
| Real field of view (degree) (Fieldscope 65) | 4.1 |
| Apparent field of view (degree) | 60 |
| Field of view at 1,000m*1 (m) (Fieldscope 85) | 58 |
| Field of view at 1,000m*1 (m) (Fieldscope 65) | 72 |
| Exit pupil (mm) (Fieldscope 85) | 4.3 |
| Exit pupil (mm) (Fieldscope 65) | 4.1 |
| Relative brightness (Fieldscope 85) | 18.5 |
| Relative brightness (Fieldscope 65) | 16.8 |
| Outer diameter x length (mm) | 63x59 |