Hi all, I’ve been into astronomy for some years at a very basic level with a Celestron 90mm refractor. A couple of months ago I stepped up my game in a big way and purchased a skywatcher 16” truss tube dob goto. I picked everything up like a fish to water and have already spent many nights viewing all of the planets apart from mercury. I have had great joy in seeing brilliant globular clusters and some wonderful nebula. Lastweek I stepped up my game again and upgraded my standard Plössl 10 and 25mm eyepieces to baader Morpheus 17.5 and 9mm and also a Hyperion 31mm. The 31mm works great focusing in the 2inch Crayford. My issue is with both Morpheus pieces they won’t focus on 2inch mode they try to come to focus with the focuser all the way extended but seem to need another 10mm To achieve focus. If I use them in 1 1/4 inch mode they focus within half way of the draw tube extend very well. Then to complicate matters more if I add my televue 2.5 powermate To both Morpheus they again won’t come into focus when the focus draw tube is all the way out, appear to be gaining focus but fall short again by about 10mm. They don’t focus at all inward. Collimation is checked and adjusted perfectly for each session and I have allowed over 2 hours cool down time each time I use the scope. They skywatcher Plössl EPs focus no worries at all. Any and all advice appreciated.
