SDM Autofocus Failure Survey

Is Pentax's quality control improving?

By PF Staff in Third-Party Announcements on Jan 28, 2012
SDM Autofocus Failure Survey

We have recently launched a survey to help us determine whether or not the reliability of Pentax's SDM (supersonic) autofocus system is improving over time.

Take the survey here- it's quick and anonymous.

Thanks for your help in this study!

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