[Drac0 (Mark)]

Originally Posted by Nikolas

The Orion field flattener works well with this scope
https://www.bintel.com.au/product/or...eld-flattener/
Pretty sure you can get it cheaper if you import it from OS this or its equivalent, first light optics also sell field flatteners for these types of scopes

I've got an Astrotech one that works well, was just trying to avoid using it.