Nikon Eyepiece 20x/25x (SEP25) Prostaff 5 60mm/82mm
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Product Details
Manufacturer code: BDB90180 | Our code: 111078
The Nikon Prostaff 5 Eyepiece 20x25x (SEP25) is a dedicated eyepiece for use with specific Nikon PROSTAFF 5 Fieldscope. Designed for digiscoping with certain COOLPIX cameras.
- Bayonet mount with lock for easy attachment and release.
- Fully multi-layer coated
- Water resistance
- Long eye relief
- New Turn-slide eyecups - for DS in case turn-slide is pulled in, for adjustable eye relief in case turn-slide is pulled out.
Specifications:
| Magnification (with PROSTAFF 5 Fieldscope 82) | 20x |
| Magnification (with PROSTAFF 5 Fieldscope 60) | 25x |
| Real Field of View [degree] (with PROSTAFF 5 Fieldscope 82) | 2.8 |
| Real Field of View [degree] (with PROSTAFF 5 Fieldscope 60) | 2.2 |
| Apparent Field of View [degree] | 51.3 |
| Exit Pupil [mm] (with PROSTAFF 5 Fieldscope 82) | 3.0 |
| Exit Pupil [mm] (with PROSTAFF 5 Fieldscope 60) | 3.3 |
| Brightness (with PROSTAFF 5 Fieldscope 82) | 9.0 |
| Brightness (with PROSTAFF 5 Fieldscope 60) | 10.9 |
| Eye Relief [mm] | 17.6 |
| Field of View at 1000m [m] (with PROSTAFF 5 Fieldscope 82) | 58 |
| Field of View at 1000m [m] (with PROSTAFF 5 Fieldscope 60) | 72 |
| Coating | Fully multilayer coated |
| Length [mm] | 59 |
| Outside Diameter [mm] | 63 |
| Waterproofness | Filled with nitrogen gas. Up to 2m under water for 10 min. The joint between the body and eyepiece is water-resistant. |
| Mount | Bayonet |
| Eyecup | New Turn-Slide |
| Compatibility with FSB series (Digiscoping) | Yes |
Product Reviews
Review by Alan Robertson
Uttings
Very clear view through scope, fairly easy to remove with bayonet fitting. Makes me keen to think about getting a higher power eyepiece.
