Quote:
Originally Posted by glend
If you cleaned the primary from the front by removing the front ring which holds the secondary, then you should never have to worry about distances changing.
|
Your dead right, but muggins here had brain fade and undid the adjustment screws unnecessarily
I know before the mirror clean my focal length was 2014mm so I can get back to that easily enough and collimate with the tak scope. I haven't touched the secondary.
Thanks