This video gives step-by-step instructions on how to safely remove the Schmidt-plate (corrector) from a SCT. It then continuous to show the proper method of cleaning the Schmidt-plate as well as the primary mirror, in-situ. After assembly, the collimation was also done. Although SCTs are quite similar, the specific telescopes shown here are a 16-inch Meade LX200 and a 14-inch Celestron.

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