You can choose to have the Pentax system run every time the camera is powered up. And the K20D version seems more effective than that of the K10D. I've never encountered a dust problem with the K20D, regardless or aperture or background. Paul -------------- Original message ---------------------- From: Godfrey DiGiorgi <[EMAIL PROTECTED]> > The K10D's ultra-smooth coating and sensor shaking dust cleaner seems > a little crude but it works ok. I don't think about it too much in > practice. At wide apertures, a bit of dust on the sensor is often > difficult to see and not a bother unless you're working with smooth > open sky. If I'm going to be shooting stopped down, I run the sensor > shaker a few times and it is always spotless after I do that. One > pass rarely does it, but three or four always do. > > This is one of the great things about the Olympus and Panasonic > bodies: the ultrasonic wave sensor cleaning thingamabob in them runs > automatically every time the camera is powered up and is near > instantaneous, really cleans the sensor well. In my 20,000 exposures > combined between the L1 and E-1 bodies, I have not yet seen a dust > spot despite extremely casual and frequent lens changes. > > I wish all DSLRs had that system. > > Godfrey > > > On Jun 17, 2008, at 7:47 PM, [EMAIL PROTECTED] wrote: > > > Nope. That's how I do it. And I rarely see any dust on the sensor. > > Paul > > -------------- Original message ---------------------- > > From: "Tim Bray" <[EMAIL PROTECTED]> > >> On Tue, Jun 17, 2008 at 7:40 PM, <[EMAIL PROTECTED]> wrote: > >>> It helpsa wee bit. Taking care to not expose the camera when > >>> changing lenses > >> helps much more. > >> > >> My technique for this is simple: get the next lens that's going to go > >> on ready, take off the lens with the camera face down, and keep it > >> face down while putting on the replacement. Anyone have a better > >> idea? > >> > > -- > 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.
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