Gary Reese wrote:
>
> I'm interested in borrowing a 55mm f/1.2 for both SQF testing on a OM-4T
> and for testing radioactivity on a Gieger counter. If anyone in the USA
> has one they are willing a loan for a few days please contact me off
> list.
How does one test for radioactivity using a 55mm/f1.2 Zuiko lens?
John Hudson
Vancouver, BC
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