Here's a picture of the TV-102i with the 2" and 3" extension tubes attached. I was surprised to find that I needed the 2" extension when using the Burgess Binoviewers. I wonder if it's needed with the Denkmeier or Televue units?
Attached Image:
Don Wyman
Obsession #1166 18" f/4.5
with Argo Navis and ServoCat
WO Megrez 90 APO
Coronado PST