How to Attach a 2″ Filter to Your NexStar SCT

I’m switching from using a 1.25 inch LPR (Light Pollution Reduction) filter to a 2 inch filter because I believe it will make my equipment more secure when it comes to mounting my DSLR (with T-Ring) and CCD cameras onto my Schmidt–Cassegrain telescope. I may also get a 2″ CLS filter in the near future, […]