Field Flattener for Orion ST80 APO
Hi All,
I am looking for some advice on a field flattener for an Orion ST80 (Not the ED but the APO that comes as part of the Orion Awsome AutoGuider Package), I have managed to get some reasonable shoots through the scope but can definitly notice the field curvature on the endges.
The telescope only has a 1.25" focuser barrell so the Field Flattener must be 1.25" and that is where I seem to be having trouble.
Any suggestions welcome.
Many Thanks
Anthony
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