The Myth about SDM.

Started Aug 22, 2013 | Discussions thread
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JohnXLondon Regular Member • Posts: 159
Re: The Myth about SDM.

I've seen various posts about the SDM lenses being a bit slow to wake up sometimes after periods of non use, so I've simply set a (two weekly) diary reminder in MS Outlook (but you could use your phone calender, etc.) to use my SDM lenses and I've had no issue at all.

I just run each one for a few minutes using a variety of near and far 'targets'.

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Pentax K-S1
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