[LargeFormat] Van Ripper didn,t know

[animal]

<snip>
> An even simpler approach would be to use a geiger counter and see at what
> distance the lens is undetectable above the background radiation level.
The
> inverse square law makes a big effect!
<snip>
>
Excellent idea i,ll do that.
Thanks for all the information
 > best regards
> > simon jessurun
> > amsterdam
>
>
>
>
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