Nikon Fieldscope Eyepiece MC II 20-60x Zoom Eyepiece for 60mm Fieldscopes (25-75x Zoom when used with 78mm or 82mm Fieldscopes & 13-40x when used with 50mm Fieldscopes).
Features
- MC (Multilayer Coating) for maximum brightness of view field
- Turn-slide rubber eyecup is applied to the wide type eyepiece for comfortable viewing. It helps you position your eyes at the correct eyepoint
- Optics employ Eco-glass containing no arsenic or lead.
Specifications
| Magnification (x) | 20-60x with Fieldscope III / ED III / III A / EDIII A
25-75x With Fieldscope ED8 / ED82 A |
| Angular field of view (Real / degree) | 2.0 Degree at 20x with Fieldscope III / ED III / III A / EDIII A
1.6 Degree at 25x with Fieldscope ED82 / ED82 A |
| Angular field of view (Apparent / degree | 40 Degree at 20x with Fieldscope III / ED III / III A / EDIII A
40 Degree at 25x with Fieldscope ED82 / ED82 A |
| Field of view at 1,000m (m) | 35M at 20x with Fieldscope III / ED III / III A / EDIII A
28M at 25x with Fi ldscope ED82 / ED82 A |
| Exit pupil (mm) | 3.0mm at 20x with Fieldscope III / ED III / III A / EDIII A
3.3mm Degree at 25x with Fieldscope ED82 / ED82 A |
| Relative brightness | 9.0 at 20x with Fieldscope III / ED III / III A / EDIII A
3.3 at 25x with Fieldscope ED82 / ED82 A |
| Eye relief (mm) | 14.1mm |
| Length (mm) | 79mm |
| Width (mm) | 48mm |
| weight (g) | 150 grams
|
