What you say about predictability, I think, is the key I'm missing with the Olympus ... I've seen complaints about videographers wanting a more predictable MF, because the whole inertial focus vs. a nice linear focus ring makes MF during a video shoot difficult.

But thanks for the suggestions .. when I get a chance (hopefully this evening!) I'm going to experiment some more with Iterative + Max step size (hoping it doesn't just fail if the max step size is too small) and also Linear/Linear 1 Pass with an explicit Backlash value set.

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