Name: IMG_20170518_205043.jpg Date: 2017 May 18 Size: 1.27MB ---------------- ... it is alive! The upper ring is 3_8 inch plywood is from some crate lying around. As with previous scopes, there are no fasteners between the OTA and the mount. This scope tube is an unmodified Criterion (want cast iron focuser anyone?) It is just set through the rings till it bottoms out which takes a little twisting. Pulling it back apart will take a couple of people or some way to hold the Sudiball down. Moral is; Don't bother preventing what it does not want to do anyway.