jjongmans

Hi Olly, too bad it's mechanical issue. An non-concentric wheel would explain why we didn't feel the backlash equally in every position... More EQ8 owners should have this. I'll ask my Australian friend that also has an EQ8.

Cheers,

Jeffrey

I've got the carbon 10" version. Collimating can be challenging and the only good way is with a defocused startest. I also used a Howie Glatter with holographic attachment and sighttubes, but it that isn't enough to get it at 100%. The biggest design flaw is the connection between focuser and primary mirror; if you adjust the primary mirror, you'll introduce tilt in the focuser. So you'll need a collimation ring (TS) to disconnect the focuser from the primary, so they can be adjusted independently.