The Myth about SDM.

Started Aug 22, 2013 | Discussions thread
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The Myth about SDM.
Aug 22, 2013

I have heard a lot about SDM problems in some Da* lens as you might know i have the 60-250 & Da*300 lens, im shortly well hopefully going to purchase the 16-50 after selling my soul so to speak. I would ask are the new lens that are out there, have any problems, does pentax know about this, i have had my lens but a short while, im not new to Da* SDM lenses but i have never had a problem.

Whats the verdict, concerning SDM are they reliable or do they pack up if say not used for awhile.

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