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Showing posts with the label skywatcher 72mm ED refractor

Slipping Focuser

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W hen I was out testing a new solar astronomy gear configuration a few days ago, I had a problem with my focuser slipping.  This was caused by two factors...  first, this new configuration put a lot of weight on the focuser...  and second, at the time, I was viewing the sun at its highest point in the sky at noon.  This orientation made it easier for the focuser to slip downward toward the ground.   When I brought the gear back indoors, I tried to adjust some of the setscrews underneath the focuser but, honestly, I had no idea what any of the setscrews did.  You would think that you want all of them as tight as possible but that is completely wrong in this case.  I had to do some research. While in bed that night, I did some research on my Kindle.  I found a thread in an astronomy forum about adjusting this focuser.  I wanted to get out of bed right away to fix this focuser but I wisely memorized the page and then went to sleep instead.   The next evening I pulled out this little teles