Quote:
Originally Posted by Atmos
You are pretty much right there, binoviewers and refractors dont mix well with 2 diagonals.
Even with a 1.25 diagonal and short threaded components you are likely to need a Glass Path Compensator (GPC) which is a small threaded barlow to increase the back focus to allow a refractor to come into focus.
With my 4 refractor I used a 1.7x GPC which allows another 35mm of back focus from memory, a 1.25 diagonal with all threaded connections.
Both diagonals and binoviewers consume a lot of back focus.
|
Thanks so I am not alone, 1.25 does work but 2" is useless, thanks all