Ever since I got into doing astrophotography, I've been imaging with a DSLR. My very first attempts were with a Nikon D7000, and then I quickly switched to a Canon T3i. I was comfortable with it, largely because of Backyard EOS. Now, as I have grown in my skills, I'm ready for a new camera with specialized features. I'm ready for the ZWO ASI174MM Monochrome Planetary Imaging Camera. I'm ready to kick some ass!
There is a good chance that your equatorial mount sits on top of a pier or a tripod, and the two mating surfaces are either bare metal, or painted over as is the case with a Celestron CGEM. I also believe that the Orion Atlas, and the Skywatcher