Specifications
Aperture: 3 inches / 76mm
Focal length: 25-inches / 630mm
Focal ratio: f/8.3
Optical design: Achromatic doublet dedicated H-alpha refractor
Filter type: Hydrogen-alpha, 656.28nm (meets ISO 12312-2)
Etalon: Sky-Watcher Solis etalon technology (<0.5 Å bandwidth)
Blocking filter: 11.5mm blocking filter integrated into supplied diagonal
Tuning system: Mechanical Trifid/Triffid pressure tuner
Focuser: 2-inch dual-speed Crayford focuser
Finder: Integrated solar finder
Eyepiece: 20mm 70-degree 1.25-inch eyepiece
Related
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