The dust removal is ultrasonic, so unless you're a dog, it's silent. Rick
http://photo.net/photos/RickW ----- Original Message ----- From: mike wilson <[email protected]> To: Pentax-Discuss Mail List <[email protected]> Cc: Sent: Wednesday, January 2, 2013 5:46 PM Subject: K5 question 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? -- No fixed Adobe -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

