A AA
===****===||====****===
| | ||
| B | || --D
| | ||
|######### --C
| |
A & AA are filters on the wheel (5or 6 filters)
B is the eyepiece
C is a spring clip that easily clips to the eyepiece
D is the shaft that wheel spins on,attached to clip.
Line of sight would look down thrufilter "A" THEN
eyepiece.
Tim