What is the advantage of screw drive lenses?

Started Jul 25, 2012 | Discussions thread
rogerstpierre
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Re: What is the advantage of screw drive lenses?
In reply to Cane, Jul 26, 2012

I don't know if it's an advantage or disadvantage or neither, but there ought to be some calibration issue, body screw drive calibration vs in-lens-SDM-calibration.

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Roger

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