We do have some empirical evidence here - Gary's lens test with the 200mm
lenses. Horribly degraded images. Since there is no tripod ring on these
lenses they are constrained to be unbalanced on the tripod. So unbalanced
tripod mounting is not_always_best. It seems to be more complicated than
that. Probably it has to do with pendulum effect and its period of
vibration. Maybe some imbalance is good, but too much is bad?
Winsor
Winsor Crosby
Long Beach, California, USA
mailto:wincros@xxxxxxxxxxx
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