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 [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.
