Just ask Cotty. Last year at GFM he was using a zoom to do some ground-level macro shooting around the dusty campsite. His sensor looked like the inside of a vacuum cleaner afterwards.
--- Igor Roshchin <[EMAIL PROTECTED]> wrote: > > Can a zoom lens be used as a vacuum cleaner? > (cleaning the space around, and collecting all that > dust on the sensor) > > A fellow on dpreview forums claims that operating > zoom on Pentax > 18-250 provides suction that leads to dust > penetrating inside the lens. > > http://forums.dpreview.com/forums/read.asp?forum=1036&message=27304333 > > Any comments? > > Has anybody seen any objective results about this > suction effect in > zooms? (Most zooms do not have dust-sealed design, > so this effect should > not be limited just to this lens.) > > Igor > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link > directly above and follow the directions. > ____________________________________________________________________________________ Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.