Well, I have a silvernose, actually both an early 1.4 and a 1.2, but no
geiger counter.....
Tom
> If it is radioactive, you'd probably notice. I don't know what Gary
> measured on the 55/1.2, but my 50/1.4 was registering about 4500
> counts/min on the front, about 200 counts/min on the back, with a
> background of about 20 counts/min.
>
> Not all 55/1.2's are radioactive. The black nose version Gary tested was
> not radioactive. Is your 55/1.2 a silver nose or black nose? It would be
> interesting to know if they switched from silver to black when they
> switched the design.
>
> Mark Marr-Lyon
>
> >Wow - I was excited to read that post about my Zuiko 55 f1.2 being
> >possibly radioactive. So I took to the lab and put it on the slab -
> >well
> >I was disappointed. I checked it with two Geiger counters on the most
> >sensitive settings and I could not detect anything. Well, I guess the
> >meters
> >I used are not the most sensitive and the background radiation is pretty
> >
> >high where I was located.
> >
> >I'll be interested to hear about any other measurements people are
> >making.
> >
> >- -- Hank
>
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