[RickS (Rick)]

Originally Posted by Slawomir

I actually considered getting an 8"RASA, but then I read it has only 25mm of back-focus...

With a custom adapter I think I can make a Baader UFC filter drawer and ASI1600 work for narrow band. And a second one with OSC

Originally Posted by Slawomir

8"RASA is about 8kg, while Borg 55mm is only 2kg...so with lightweight cameras instead of 2x8"RASA you could have 8x55mm Borg...

Maybe I could build up to that over time