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RE: Pickering UV-15 D2000-Q (pics)

Posted by mr.bear on January 8, 2017 at 22:57:56:
I know you have been very careful with the alignment and so forth but this wouldn't be the first time the diamond tip had a manufacturing error in its mounting to the cantilever.

The Stereohedron I agree is a modified Shibata design (intended for quad reproduction) and is more sensitive to alignment, including VTA (actually 'rake angle'-- measured at the diamond-- is a better description of the critical measurement). Also I have seen azimuth, at the diamond again, be quite far off due to damage to the cantilever (I suppose a manufacturing defect there is also possible.)

Its almost impossible to "see" these qualities with the naked eye and hence you have to experiment to see if anything is out of whack. Did you tweak the VTA and azimuth over a wide range as you aligned, such that it would reveal serious diamond out-of-whackness?