On Wed, Jan 2, 2013 at 5:46 PM, mike wilson <[email protected]> wrote:

> Regarding the sensor dust removal.  I have this set to activate at switch-on
> but, unlike my K-x (which sounds like two gas cookers being dragged along a
> cobbled alley and visibly shakes in the hand) there is no physical
> indication that the process is occuring.
>
> Is this another sign of superior build quality or do I have a defective
> specimen?

My understanding is that the K-5 dust removal is ultrasonic (and
inaudible), as opposed to the very mechanical sounding SR-based system
of my K10D (and I presume your K-x).

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