View Single Post
  #4  
Old 16-04-2023, 11:26 PM
Dave882 (David)
Registered User

Dave882 is offline
 
Join Date: Nov 2020
Location: PADSTOW
Posts: 2,499
Quote:
Originally Posted by Ultra.Astro View Post
Thanks Dave, have done a bit of research into it and definitely seems like a good idea for the DSOs which is what I will be mainly using it for. I would definitely get the Celestron reducer and not another brand.
Definitely keen to use it for planetary also but that's not something I have done much of yet.
When you say perfect spacing are you referring to the back focus from the reducer to the image sensor? I have heard this is a very fine line.
Yes that’s correct. Start with the documented figure and then adjust in small ( like 0.5-1mm) increments if not perfect.
Reply With Quote