Good lead bags are impenetrable by any amount of x-ray.
Paul
mike wilson wrote:
>
> Hi,
>
> Joe Wilensky wrote:
> >
> > I've heard that in many cases, if they see a lead-lined bag, they
> > just turn up the power of the (new and more powerful) x-ray scanner
> > to see through it, which then subjects the film to more radiation
> > than it would have seen if it had gone through without a bag. Is this
> > true?
>
> It's certainly possible, which is why I've always just put the film
> straight through without protection. Never had a problem yet, although
> I tend to use slower film generally. Once had some negative 1000ASA
> that went through at least 10 machines without appreciable degradation.
>
> mike
