OTA · 2021–
Vixen SD115SII
Key specifications
| Aperture | 115 mm |
|---|---|
| Focal length | 890 mm |
| Focal ratio | f/7.7 |
| Optical design | ED Doublet |
| Weight | 4.6 kg |
All specifications
| Lens coating | AS Coating |
|---|---|
| Focuser type | Dual-speed rack & pinion |
About
115mm f/7.7 SD-glass (FPL-53) doublet apochromatic refractor; photo-visual tube, successor to the SD115S.