Cool
I found a 50mm extension tube in my container of goodies, awesome.
Quote:
Originally Posted by multiweb
Good day Petra, Look at it this way A and B being extension tubes:
ED102 ... [A]... Flattener/Reducer... [B]... ASI294 MC PRO
[A] matters to bring you to focus. Length is not critical. No bearing on field correction. Any tube will do.
[B] length is critical to correct your field. So ideally something you can set.
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Many thanks awesome dude!