It shouldn't work if the lens thread is metallic and made of a similar metal (as the lens will also contract) It might work if it's non-metalic.
Igor Fri Oct 30 03:20:57 CDT 2009 mike wilson wrote: ---- Igor Roshchin <str at komkon.org> wrote: > > > In principle, it shoud be easier in a warmer room, - as all > the metals expand with increasing temperature. > I know when my 77mm ultra-thin B&W polarizer filter gets stuck in cold > weather, bringing it to a warm room helps. > I haven't tried to increase the temperature beyond the room temperature. > Obviously, I would not use a heat-gun, but I would consider > using a warm-air hair blow-drier. > > Good luck. > > Igor Conversely, stick it in the freezer for 15 minutes. -- 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.