Fingers crossed... (dead memory card)

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Andrew
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Shot a local theatre companies final dress rehearsal last night. Used two bodies - 50D/40D.

Downloading the pictures and two of my Sandisc Extreme III 4gb cards have died.

Running Sandisk Rescue Pro now...
 
2 died on the same night? Were they both in the same camera? Or stored together somewhere? 2 dying at the same time can't be a coincidence...

Fingers crossed for rescue pro though!
 
All cards stored in a wallet kept in camera bag.

The only reason I can think is magnetic interference.

Last night after finishing up I put the camera bag on the back seat of the car as normal.
This morning I put it in the boot as I needed to get the ice scraper out. Never had a problem before and I always store camera equipment in the boot if I have to park for any length of time. This time of year I put some gravel in the boot to aid traction as high powered rwd cars are often poor. The camera would have been on top of the gravel sacks and therefore slightly closer to the rear speaker than normal.

Looks like I may have to rethink my packing and put the cards at the bottom of the bag.

Rescue Pro has found most of the shots. 2 or 3 have been lost which isn't so important.
 
Magnetics shouldn't affect memory cards unless you've got megawatt speakers that can generate an EMP
 
Could the cold have done some temporary damage? Or moisture at all? Very odd that they both die at once
 
The camera would have been on top of the gravel sacks and therefore slightly closer to the rear speaker than normal.

I think this would have been very unlikely to affect them, just shows it can happen to the best cards though.
 
Could the cold have done some temporary damage?

Not likely ethier as sandisk extremes are supposed to be tested to very high and low temperatures.
 
Get the camera checked out my mate had a card that died on him, I let him use one of mine, and his camera killed that one as well.
 
"Not likely ethier as sandisk extremes are supposed to be tested to very high and low temperatures. "

Agreed but .... last Cricket season I was asked to take pics at a local Junior Cricket Festival and was fine until my SANDISK 4Gb card failed. No worries - took to my smaller 1Gb cards in my bag but when I got home, I contacted SANDISK as my 4Gb Ultra II was only just over 12 months old.

Strangely, they asked me to photograph all SIX sides of my card which I did ... they replied "this card is a fake" - which was more than upsetting as I had purchased it via AMAZON.

AMAZON were totally disinterested as the card was over some 60 day Amazon warranty period. In fact, the card came from one of their "partners" who had since left the partnership after a number of complaints about dodgy cards.

Purchased a replacement but still really annoyed as my "Sandisk" was over £60 at the time.

Alan
 
Car speakers - just standard ones. Not 'boom-boom-boom' type sort.

Cards - Sandisk Extreme III 4gb purchased from Warehouse Express last year or year before. Came with pouches and RescuePro CDs. I hope they're genuine!

Cold/Moisture- camera was brought into my office to try and keep temperature vaguely sensible. 5 mile journey to from venue. Brought into house overnight. Temps and moisture 'normal'

Hasn't been knocked at all.

I need to work out which camera used which cards and test it thoroughly. Just shows that equipment can fail.
 
Good job on getting the images off the cards.

I guess you should still have EXIF data on the images to see what camera they were taken on. Have you formatted the cards and tried them again, ie was it a one off or are they properly dead? Sounds like you're going to have lots of experimenting with various card/camera combinations to do...
 
Thats really strange that BOTH your EXIII's died. As Craikey said, check the exif and find out if its one of your cameras. I would SERIOUSLY doubt that if you got them from WE, Amazon (not a partner) or Play.com that you would be buying fakes.

Are the cards totally dead?
 
OK, the exif suggests it was the cards from the 40D that have been scrambled. Running 1.0.8 firmware.

Have quarantined the two cards in question and will format all the others in camera.

Will experiment over the weekend to see if I can repeat it or if its a one off. I'm confident I bought genuine cards from WE and will send them back to Sandisk if required. I'd rather not loose shots to duff memory again.
 
I still cant believe that 2 EXIIIs died on you in one day. I really cant see it being the result of the cards else thats just seriously weird!

But then whats worse, the card or the camera going wrong......
 
It's unlikely to be magnetic interference as flash memory makes use of transistor-based storage, not magnetic like hard disk drives.
 
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