Archived posting to the Leica Users Group, 2017/03/20
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Jim Nichols wrote: > My slightly radioactive Pentax Super-Multi-Coated Takumar 50/1.4 is > undergoing a sunshine treatment in hopes of reducing the slight > discoloration of the 3 rear elements. The recommended exposure is about a > week, but may get extended because of bad weather days. > ?... > ?Interesting. I inherited a screw-mount Pentax outfit from a great uncle and have one of these radioactive 50s. Paul www.PaulRoark.com ? > ? >