One tip that I've read is to put the lens in a window for a few days (with the lens cap off), and it'll clear up for a while.
On Sat, Dec 3, 2011 at 11:22 PM, Mark C <[email protected]> wrote: > On 12/3/2011 4:20 PM, Bulent Celasun wrote: >> >> The only thing I can see repeatably (!) is the difference in rendering >> of colors; my radioactive Takumar shows everything a bit yellowish. > > IIRC, yellowing with age is a known issue with some radioactive Takumar > lenses and an be reversed through exposure to UV light (even direct > sunlight.) I have a dim recollection of someone on this list describing how > he fixed up on of his old lenses with UV light exposure. > > Never thought about this but I wonder if any of the old 6x7 Takumar lenses > were subject to this. I don't know if they incorporated the radioactive > elements or not... > > Mark C. > > > -- > 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. -- David Parsons Photography http://www.davidparsonsphoto.com Aloha Photographer Photoblog http://alohaphotog.blogspot.com/ -- 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.
