DotTune: Video Tutorial for AF tuning without photographs

Started Feb 18, 2013 | Discussions thread
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Daniel Lauring
Daniel Lauring Veteran Member • Posts: 9,033
Re: DotTune: Video Tutorial for AF tuning without photographs

Nice job, Horshack.  Your explanation is easy to follow.

People might want to choose the distance they most use the lens at, vs. the 40 times the focal length, if the tuning varies with distance.  Likewise for zoom lenses they might choose their most common zoom range vs. the midrange.  Or, they might choose the longest zoom focal length where the affect of miscalibration is the worst.

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