Theo it does - the C9.25 was beautifully flat before the OAG (with its tricky little focal reducer was added). Lumicon advertise "pin point stars acorss the entire field of view of a 35mm DSLR".
I'm still awaiting their technical supports response...
The piccys - two 16 second shots - one of a faint star cluster near Hadar - the other Omega Nebulae.
Matthew
|