Hi Bob
Its a good pic!
TBH my ED80 has some coma, as do others of the same ilk, the Skywatcher ED80 i have briefly used had it to, and this looks to me to be cut of the same cloth.
I use a Baader MPCC attached to the T-ring with my DSLR, it has a nose piece to, so i can plug it straigh into the 2" focuser. That seems to work a treat.
