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Bob's Knobs Install and Collimation using the Hotech Advanced CT Collimator - YouTube
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Collimating an SCT with the Hotech Advanced CT Collimator
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Collimating an SCT with the Hotech Advanced CT Collimator
Focused Image: Why a Bar, not Round Dot? - Cats & Casses - Cloudy Nights
Hotech Advanced CT Collimator for 1.25" Focuser — Starizona
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Hotech Advanced CT Laser Collimator w/Fine Adjustment Stage - 2" | OPT Telescopes
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Hotech Advanced CT Laser Collimator - It Works! - Cats & Casses - Cloudy Nights
Hotech Advanced CT laser collimator for 2" focuser with fine adjustment
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