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Bob's Knobs Common Newt Secondary 30mm
$22.95
Bob's Knobs for Celestron Newtonian Secondary Mirrors: Easy and Accurate Adjustments Designed for Celestron Newtonians: Tailored specifically for the secondary mirrors of Celestron C6-N/NGT, C8-N/NGT, and C10-N/NGT telescopes. Part Options...
Bob's Knobs Celestron C6N/NGT; C8N,NGT; C10N/NGT (primary)(SWpri)
$27.95
Bob's Knobs for Celestron Newtonian Telescopes: Simplify Collimation and Locking Wide Telescope Compatibility: Designed for Celestron C6-N/NGT, C8-N/NGT, and C10-N/NGT Newtonian telescopes. Part Information - Part: SWpri: Telescope Fit: Perfectly...
Bob's Knobs Celestron SCT 11” f/10 metric (stainless steel)
$29.95
Bob's Knobs for C11 f/10 with Flat Secondary Housing: Precision Collimation Made Simple Specialized for Celestron C11 f/10 Telescopes: Crafted for Celestron 11” (28 cm) f/10 SCTs with flat secondary housing...
Bob's Knobs Celestron SCT 11” f/10 metric (black oxide)
$22.95
Bob's Knobs for C11 f/10 with Flat Secondary Housing: Precision Collimation Made Simple Specialized for Celestron C11 f/10 Telescopes: Crafted for Celestron 11” (28 cm) f/10 SCTs with flat secondary...
Bob's Knobs Celestron SCT 9.25” f/10 metric (stainless steel)
$27.95
Bob's Knobs for Celestron SCT 9.25” f/10 Metric: Simplified Collimation for Your Telescope Customized for Celestron SCT 9.25" f/10: Designed for Celestron 9.25” (23.5 cm) f/10 SCT models with metric screw...
Bob's Knobs Celestron SCT 9.25” f/10 metric (black oxide)
$22.95
Bob's Knobs for Celestron SCT 9.25” f/10 Metric: Simplified Collimation for Your Telescope Customized for Celestron SCT 9.25" f/10: Designed for Celestron 9.25” (23.5 cm) f/10 SCT models with metric...
Bob's Knobs Celestron SCT 8” Hyperstar (stainless steel)
$27.95
Bob's Knobs for Celestron SCT 8” Hyperstar: Optimized for Hyperstar Conversions Designed for Hyperstar-Converted Celestron SCT 8" f/10: Tailored for Celestron 8” (20 cm) f/10 SCTs with metric collimation screws, specifically...
Bob's Knobs Celestron SCT 8” Hyperstar (black oxide)
$22.95
Bob's Knobs for Celestron SCT 8” Hyperstar: Optimized for Hyperstar Conversions Designed for Hyperstar-Converted Celestron SCT 8" f/10: Tailored for Celestron 8” (20 cm) f/10 SCTs with metric collimation screws,...
Bob's Knobs Celestron SCT 8” EdgeHD (stainless steel)
$27.95
Bob's Knobs for Celestron SCT 8” EdgeHD: Precision Collimation at Your Fingertips Specialized for Celestron SCT 8" EdgeHD: Exclusively designed for the Celestron 8” (20 cm) f/10 SCT with Fastar secondary...
Bob's Knobs Celestron SCT 8” EdgeHD (black oxide)
$22.95
Bob's Knobs for Celestron SCT 8” EdgeHD: Precision Collimation at Your Fingertips Specialized for Celestron SCT 8" EdgeHD: Exclusively designed for the Celestron 8” (20 cm) f/10 SCT with Fastar...
Bob's Knobs Celestron SCT 8” f/10 metric (stainless steel)
$27.95
Bob's Knobs for Celestron SCT 8” f/10 Metric: Simplified Collimation for Modern Models Customized for Celestron SCT 8" f/10: Designed for most Celestron 8” (20 cm) f/10 SCTs made in 2005...
Bob's Knobs Celestron SCT 8” f/10 metric (black oxide)
$22.95
Bob's Knobs for Celestron SCT 8” f/10 Metric: Simplified Collimation for Modern Models Customized for Celestron SCT 8" f/10: Designed for most Celestron 8” (20 cm) f/10 SCTs made in...