Deterioration of media cards?

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mastanlem

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Hi,

My husband who is not pc literate has asked me to find out whether Media cards deteriorate.

He likes to keep his photos on the cards to view via HDMI on our plasma tv.
However he has noticed that the Sandisk Extreme 111 Compact flash card that he took photos with on his Nikon D700 a year ago have got wavy edges on some of the photos as if he were viewing through the video lead. This is not apparent on all the photos, and they were pin sharp a year ago.

Any suggestions please.

Thanks Mastanlem:)
 
Never heard of it.
With digital you tend to lose blocks of information, so it's more likely to be the AV setup.
I'd suggest viewing the files on a computer and also backing them up on the computer and/or DVD and/or external hard drive.
 
Nope. A faulty card shouldn't show errors like that.

I would put my money on the lead, the device or the TV. :)

Moving to the correct forum for you.
 
No, I do not think what you are describing would be due to deterioration of the cards.
What you have described sounds more of an analogue problem, rather than a digital issue.

Cards do deteriorate though. I would recommend that some sort of backup of important photographs are taken.
Mechanically, the card could be damaged.
Electronically, the data on the card could be damaged from too many reads/writes
Electronically, the data on the card could be modified by stray/background radiation

Any of those effects could render the images, or parts of the images unreadable. It is unlikely that any of those effects on their own (ok, you could get damage which moves a block of lines left, then identical/reversed damage which moved the next block right), could cause what you have described.
 
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