Bob's Knobs

Bob's Knobs for Celestron SCT 11” f/10 Fastar: Precision Collimation Made Easy Ideal for Celestron SCT 11" f/10 Fastar: Specifically designed for Celestron 11” (28 cm) f/10 SCTs (metal or...

Bob's Knobs for Celestron SCT 11” f/10 Standard Fastar: Enhance Telescope Adjustability Designed for Celestron SCT 11" f/10 Fastar: Ideal for Celestron 11” (28 cm) f/10 SCT models with standard...

Bob's Knobs for Celestron SCT 11” f/10 Standard: Easy Collimation Adjustments Custom-Fit for Celestron SCT 11" f/10: Tailored for Celestron 11” (28 cm) f/10 SCT models with flat secondary housing...

Bob's Knobs for Celestron SCT 9.25” Fastar: Easy Collimation for Advanced Optics Specifically for Celestron SCT 9.25" Fastar: Designed for Celestron 9.25” (23.5 cm) f/10 SCT models with the "Trifid"...

Bob's Knobs for Celestron SCT 9.25” f/10 Standard: Streamline Your Telescope Collimation Tailored for Celestron SCT 9.25" f/10: Specially designed for Celestron 9.25” (23.5 cm) f/10 SCT models with standard...

Bob's Knobs for Celestron SCT 8” f/10 Standard: Enhance Your Collimation Process Customized for Post-1980 Celestron SCT 8" f/10: Specifically designed for Celestron 8” (20 cm) f/10 SCTs manufactured post-1980...

Bob's Knobs for Celestron SCT 8” Pre-1980 Orange Tube: Enhance Your Classic Telescope Tailored for Classic Celestron SCT 8" f/10: Specifically designed for pre-1980 Celestron 8” (20 cm) f/10 SCTs...

Bob's Knobs for Celestron SCT 5” f/6: Precision Tuning for Rare Models Exclusively for Celestron SCT 5" f/6: Designed specifically for the uncommon Celestron 5” (13 cm) f/6 SCT, not...

Bob's Knobs for Celestron SCT 5” f/10 Standard: Easy Secondary Mirror Adjustment Tailored for Celestron SCT 5" f/10: Created for Celestron 5” (13 cm) f/10 SCT models (C5, NexStar 5)...