I am not an astrophotography guy, and I have not built a barndoor tracker (yet), so take this with a grain of salt, but I'll skip right to the double-arm type h

I am not an astrophotography guy, and I have not built a barndoor tracker (yet), so take this with a grain of salt, but I'll skip right to the double-arm type here if ever get around to it: https://www.pentaxforums.com/articles/photo-articles/astrophotography-part-3-barn-door-tracker.html https://www.pentaxforums.com/articles/photo-articles/astroph...