Eyepieces
13-40x/20-60x/25-75x MC II Eyepiece
Product Code: BDB90075
• All lenses are multilayer coated for maximum brightness of view field. "MC" stands for Multilayer Coating.
• 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.
Compatible with: ED50 A/ED50 A, III/III A/EDIII/EDIII A, ED82/ED82 A.
| Eye Relief (mm) | 14.1 |
| Weight (g) | 150 |
| Angular field of view (Apparent/degree) | 38.5 |
| Magnification (x) (With/ED50 A/ED50 A) | 13-40 |
| Magnification (x) (With III/III A/EDIII/EDIII A) | 20-60 |
| Magnification (x)(With ED82/ED82 A) | 25-75 |
| Angular field of view (Real /degree) (With/ED50 A/ED50 A) | 3.0 (at 13x) |
| Angular field of view (Real /degree) (With III/III A/EDIII/EDII | 2.0 (at 20x) |
| Angular field of view (Real /degree) (With ED82/ED82 A) | 1.6 (at 25x) |
| Field of view at 1,000m (m) (approx#) (With/ED50 A/ED50 A) | 52 (at 13x) |
| Field of view at 1,000m (m) (approx#) (With III/III A/EDIII/EDI | 35 (at 20x) |
| Field of view at 1,000m (m) (approx#) (With ED82/ED82 A) | 28 (at 25x) |
| Exit pupil (mm) With/ED50 A/ED50 A | 3.8 (at 13x) |
| Exit pupil (mm) (With III/III A/EDIII/EDIII A) | 3.0 (at 20x) |
| Exit pupil (mm) (With ED82/ED82 A) | 3.3 (at 25x) |
| Relative brightness With/ED50 A/ED50 A | 14.4 (at 13x) |
| Relative brightness (With III/III A/EDIII/EDIII A) | 9.0 (at 20x) |
| Relative brightness (With ED82/ED82 A) | 10.9 (at 25x) |