[OM] from [Gary Reese <pcacala@xxxxxxxxxxxxx>: Re: Yellowing of radioactive lens elements....Re: [OM] 55/1.2

[Thomas Heide Clausen]

Begin forwarded message:

Don S. writes:

<< If all lenses above a certain serial number had no yellowing, and
all
below a certain number did, that would be valuable info
regardless of other factors. >>

The radioactive to non-radioactive changeover was at serial number
137,000.

Gary Reese
Las Vegas, NV



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