I managed to minimize the play by: - removing the grub screws and glue that was holding the screws but also blocking the small balls on the tip of these screws (blue arrow, but both sides!!) - tightening the grub screws in a way that the motor was just able to move the belt (blue arrow, but both sid...

Hi, overall I am very satisfied with the build quality of the Scops, but I have an issue with the draw tube of the Scops. When the guide cam is mounted on the OAG and fixed with the lock ring, I can easily move the cam a bit back and forth (not in/out). This play of course has influence on the pictu...