Eyepieces
FEP-25LER w/Case
Product Code: BDB806AA
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)
FEP-25 LER has ultra-long 32.3mm eye relief
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) | 32.3 |
| Weight (g) | 320 |
| Magnification x (Fieldscope 85) | 25 |
| Magnification x (Fieldscope 65) | 20 |
| Real field of view (degree) (Fieldscope 85) | 2.4 |
| Real field of view (degree) (Fieldscope 65) | 3 |
| Apparent field of view (degree) | 55.3 |
| Field of view at 1,000m*1 (m) (Fieldscope 85) | 42 |
| Field of view at 1,000m*1 (m) (Fieldscope 65) | 52 |
| Exit pupil (mm) (Fieldscope 85) | 3.4 |
| Exit pupil (mm) (Fieldscope 65) | 3.3 |
| Relative brightness (Fieldscope 85) | 11.6 |
| Relative brightness (Fieldscope 65) | 10.9 |
| Outer diameter x length (mm) | 63x77 |