Archived posting to the Leica Users Group, 2007/05/03

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Subject: [Leica] Re: Memory chip archiving
From: don.dory at gmail.com (Don Dory)
Date: Thu May 3 17:32:15 2007
References: <200705031448.l43ElT7e000248@server1.waverley.reid.org> <5F57B159-DB92-42AC-9ED6-C21EEED56B78@optonline.net>

Larry,
In the absence of strong electrical fields or magnetic fields a really long
time, much longer than a DVD.  There is a flash HD replacement whose MTBF in
milspec environment is over 63 years; this is in constant use.  In less
demanding test situations MTBF is over 180 years.  So, as the cost comes
down flash memory will be what we all use.

On 5/3/07, Lawrence Zeitlin <lrzeitlin@optonline.net> wrote:
>
>
> On May 3, 2007, at 10:48 AM, lug-request@leica-users.org wrote:
>
> > On 5/3/07, Leonard Taupier <len-1@comcast.net> wrote:
> >>
> >> Larry,
> >>
> >> It may be worse then that. One of my son's older friends was given a
> >> Nikon D50 when his old Pentax bit the dust. He only looks at the
> >> photos on the little camera LCD. When the card finally gets full of
> >> images, he just buys a new card.
> >
> >
> > Actually, I've considered that as a manner of archiving back-up,
> > since cards
> > are getting so cheap.
> >
> > You could  put each one in a  slide sheet, and mark it as to dat, then
> > file.   You can get  about 500 jpegs or 180 raw on a 2 gig card.
> > That's
> > still way cheaper than film.
> >
> > --
> > Regards,
> >
> > Sonny
>
>
> Interesting idea. Chips cost less than $20/GB these days. That's the
> cost of about 3 rolls of film. Does anyone have an idea how long a
> filled flash chip will retain images?
>
> Larry Z
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>



-- 
Don
don.dory@gmail.com

In reply to: Message from lrzeitlin at optonline.net (Lawrence Zeitlin) ([Leica] Re: Memory chip archiving)