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Possibly not, I'm not entirely sure to be honest. My working theory is that whenever I collimate the scope I may need to adjust the tilt; this may be misguided but it's my theory anyway which is based on....
Whenever you collimate the scope you're essentially adjusting the focal plane. Tilt is fundamentally a disagreement between the focal plane and the sensor / eyepiece. When it comes to imaging, the critical focus zone at F5 is about 66 microns depending on wavelength so unless you're able to collimate the primary to that level of precision, I'd anticipate having to do "tilt adjustments" regularly. I'm thinking this is really just part of collimation and imaging with a newtonian. I also know SFA about optics and newtonians so you should probably disregard everything I said above ;-)
I also think that if I'm able to adjust the tilt such that the focal plane and the sensor are in agreement, I should be able to rotate it without affecting that, unless there's any kind of shift or flex in the system.
So that's my theory and why I bought the adjuster... hopefully it's sound!
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