Hi all, I am setting up a new-to-me 383L+ w/EFW2 and discovered that I ran out of backfocus with my RC8,TCF-S, and ONAG. So I need to reduce the length somewhere. One spot was the camera/fw/2" nosepiece into the 2"holder I added to the ONAG. I can switch to a threaded connection there . But I was wondering how tight do you tighten them? This setup is starting to weigh a bit and what I thought was tracking issues the other night with just the camera alone was the train slowly rotating(unthreading?) Is by hand pretty tight the method others use or do you get "tools" out to make sure nothing will move ever?