The achromat, its anatomy, exploded...
The first thing to do was to remove a most proprietary mounting-interface...
The focusser was easy enough to remove...
The bull-horn of a dew-shield pulled right off...
The cell for the doublet was not secured to the OTA with screws, but with glue...
It was held by cement rather than the usual "super glue"...
I wasn't surprised in the least by that. I can incorporate screws and nuts easily enough.
The paint where the cell attached to the OTA was damaged, so I removed it...
Happily, placing a neodymium magnet adjacent to the OTA revealed that it is of aluminium; the lighter the better...