Re: Yellowing of radioactive lens elements....Re: [OM] 55/1.2

[Mark Marr-Lyon]

Mark Dapoz wrote:
>Lens           Serial          Colour Cast
>- ---------    -------         -----------
>55mm f1.2      100584          severe yellowing
>50mm f1.4      109257          minor yellowing
>50mm f1.4      118622          minor yellowing
>50mm f1.8      108622          no yellowing
>50mm f1.8      114234          no yellowing
>50mm f1.8      121253          no yellowing
>35mm f2.8      103931          slight yellowing
>35mm f2.8      108255          no yellowing
>100mm f2.8     102159          slight yellowing

Very interesting!  My 35/2.8 with SN in the high 109k's doesn't show any 
yellowing either.  I would be very curious to know if either the early 35/2.8 
or 100/2.8 are radioactive too!

Mark

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