Nikon 20-45X (60) Zoom/25-56X (78) Zoom Eyepiece MC
Original price was: $359.10.$95.99Current price is: $95.99.
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The Nikon 20-45X (60) Zoom/25-56X (78) Zoom Eyepiece MC provides a clear and distinct image with 13-40x magnification when used with ED50, 20-60x magnification when used with III / EDIII, and 25-75x magnification when used with ED82.
All lenses are anti-reflective, which gives better light input and fewer reflections. The adjustable eyecup also makes it easy to get a comfortable viewing position.
Key Features of the Nikon 20-45X (60) Zoom/25-56X (78) Zoom Eyepiece MC
- Fits Nikon Fieldscope III / EDIII, ED82, and ED50
- All lenses are anti-reflective
- Eco-glass
- 13-30x magnification with Fieldscope ED50
- Angular field of view
- Relative brightness
- High Resolution
Magnification
20-45x when attached to a Fieldscope III or EDIII; 25-56x when attached to a Fieldscope ED82; and 13-30x when attached to a Fieldscope ED50.
Angular field of view (Real/degree)
2 at 20x magnification when attached to a Fieldscope III or EDIII; and 1.6 at 25x magnification when attached to Fieldscope ED82; and 3 at 13x magnification when attached to Fieldscope ED50
Angular field of view (Apparent/degree)
38.5 for all models. At 20x magnification when attached to a Fieldscope III or EDIII; at 25x magnification when attached to a Fieldscope ED82; and at 13x magnification when attached to a Fieldscope ED50.
Field of view at 1,000m
Approximately 35 m when attached to a Fieldscope III or EDIII at 20x magnification; 28 m when attached to a Fieldscope ED82 at 25x magnification; and 52 m when attached to a Fieldscope ED50 at 13x magnification.
Exit pupil
3 mm at 20x magnification when attached to a Fieldscope III or EDIII; 3.3 mm at 25x magnification when attached to a Fieldscope ED82; and 3.8 mm at 13x magnification when attached to a Fieldscope ED50.
Relative brightness
9 at 20x magnification when attached to a Fieldscope III or EDIII; 10.9 at 25x magnification when attached to a Fieldscope ED82; and 14.4 at 13x magnification when attached to a Fieldscope ED50.
Eye relief
12.9 mm for all models at 20x magnification when attached to a Fieldscope III or EDIII; 25x magnification when attached to a Fieldscope ED82; and 13x magnification when attached to a Fieldscope ED50.
- MPN – BDB90063
- GTIN – 018208074662
| Degree of magnification | 13-30x (with ED50 / ED50-A)20-45x (with III/III-A/EDIII/ EDIII-A)25-56x (with ED82 / ED82-A) |
|---|---|
| Anti-reflex treatment | Yes, on all lenses |
| Field of view at 1000 m | 52 m (with ED50 / ED50-A)35 m (with III/III-A/EDIII/EDIII-A)28 m (with ED82 / ED82-A) |
| Relative Brightness | 14.4 (with ED50 / ED50-A)9.0 (with III/III-A/EDIII/EDIII-A)10.9 (with ED82 / ED82-A) |
| Starting pupil | 3.8 mm (with ED50 / ED50-A)3 mm (with III / III-A / EDIII / EDIII-A)3.3 mm (with ED82 / ED82-A) |
| Viewing distance | 12.9 mm |
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