One of the biggest flaws of the inexpensive R/C scope, is that the focuser is attached to the primary which doesnt allow good collimation. By making a new back, I can now move the primary independent of the focuser, a feature of the more expensive R/C scopes.
The jelly bean slots allow access to the factory collimation screws to move the primary:
Accessing the factory screws:
I apologize for the enormous pictures, I was trying to use more normal sized images. In terms of usage, I put a fine laser in the focuser, and centered it on the marking of the secondary mirror. Then did the standard DSI method of collimating. Sharpest images I have ever had with this scope.