Designed for Hyperstar-Converted Celestron SCT 8" f/10: Tailored for Celestron 8” (20 cm) f/10 SCTs with metric collimation screws, specifically those equipped with the Hyperstar conversion kit.
Part Information - Part: C8hypBO and C8hypSS:
Telescope Compatibility: Ideal for Celestron 8" f/10 SCTs modified for Hyperstar, requiring metric thread screws.
Knob Varieties: Available in black oxide steel (black) or stainless steel (silver), each 12 mm (1/2”) in diameter for ease of adjustment.
Thread Material: Select between black oxide or stainless steel threads for a perfect match with your telescope's requirements.
Special Design Features:
Heightened Knobs: These knobs are taller than standard metric knobs to account for the countersunk factory screws in the Hyperstar secondary kit.
Environmental Suitability:
Black Oxide Steel Use: Recommended for dry environments; periodic oiling suggested for rust prevention.
Stainless Steel Advantage: Provides enhanced corrosion resistance, ideal for coastal, humid areas, or where dew is frequent.
Dust Cover Compatibility:
Unaffected Dust Cover Fit: The factory dust cover will continue to fit as usual with Bob's Knobs installed.
Streamlined Telescope Tuning: Perfect for Celestron SCT 8” f/10 telescope owners with Hyperstar conversions, seeking an easy, tool-free solution for precise collimation adjustments.
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