Thank you.

I have a ZWO EAF (first version) on one of my telescopes. When I connect it through the USB2 port, I get a message that this device is compatible with the UPB2 (whatever that means) but I have had no success getting the UPB2 focus control to actually drive the focuser. Oh, the UPB2 focus display sho...

Just received my Flatmaster 150 -- can this be controlled if I connect it to my telescope-mounted Advanced Power controller v2 or must I find a port on my observatory PC?

thanks.

Which suggests if one is using an f/9 scope and narrower cut filters that the output could actually be too dim.