Still contemplating its fate!
One hassle with moving it all "just enough" is that my 20mm Plossl likely won't focus - it currently focuses at the near end of out-focus - at least moving it a bigger amount, and using an equivalent extension solves this.
The primary cell attaches by an annulus ring.... which will cover my *clean* cut
- I'm pretty handy with a pair of tin snips....
GS/Synta - watch this thread - make Newts imaging ready out of the box!