Archived posting to the Leica Users Group, 2001/09/17

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Subject: Re: [Leica] Digital/ x ray
From: Dennis Painter <>
Date: Mon, 17 Sep 2001 22:37:28 -0700
References: <>

Roy Feldman wrote:

> To answer the question is digital safe in airports?: the cards can be wiped
> by strong magnetic fields i.e. The metal detector. So it is ok to have them
> sent thru x-ray, not thru the metal detector.

Magnetic fields cannott affect digital storage unless it is magnetic i.e.
floppy disks or tape or hard disks. Most digital cameras use semiconductor
storage, not affected by magnetic fields.

> Is digital good to shoot the N.Y. disaster? Nikon has set up a emergency
> center to clean off the CCD's which are being trashed after 2~4 lens
> changes. The soot in the air is coating the CCD at a pace that Nikon Techs
> can barely keep up with.

If dirt is a problem then don't change lenses ;-)  Likely this is a problem for
just about any camera, the internals are going to be sensitive to dirt and


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In reply to: Message from Roy Feldman <> ([Leica] Digital/ x ray)