OTA · 2026– · MSRP $7,995
Sky-Watcher Heliostar 100
Key specifications
| Aperture | 100 mm |
|---|---|
| Focal length | 760 mm |
| Focal ratio | f/7.6 |
| Optical design | Achromatic Refractor |
| Weight | 5.99 kg |
All specifications
| Lens coating | H-alpha fully multicoated |
|---|---|
| Tube length | 762 mm |
| Dovetail | Losmandy |
About
100mm dedicated Hydrogen-alpha solar telescope — the larger Heliostar, the flagship of Sky-Watcher's new solar line, with Solis etalon technology for high-contrast, narrow-bandpass full-disc and close-up solar observing and imaging. Includes the Heliostar safety diagonal/blocking-filter system.