Agree, in theory you almost have all the tools to get is right. A tilt ring at the rear of the tube helps to get the mechanical axis to match optical axis. Can you rotate the whole focus assembly and see how the laser spot moves on the secondary? If it rotates off the spot significantly after you have applied the Tak collimator then you have an issue. Then it will be necessary for an iterative process between tak scope and laser collimator until laser and tak coincide through rotation. Another possibility is a poor quality laser collimator.
Ted
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