On Sat, Dec 3, 2011 at 10:22 PM, Mark C <[email protected]> wrote: > 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...
Super Takumar 6x7 105mm f2.4 (Asahi Optical Co.) contains thorium. http://www.orau.org/ptp/collection/consumer%20products/cameralens.htm More info: http://photo.net/medium-format-photography-forum/009X3q Darren Addy Kearney, Nebraska -- 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.
