In the past two weeks, I have had three different SD cards corrupted in three separate devices (one a Nikon DSLR, another lumix video cam, and a bush/trail cam)
I understand the causes of one becoming corrupt, but for three, across three different devices (the video cam stopped working while out shooting a gig), the Nikon DSLR card corrupted once in the card reader, but it happened another time while actually taking photos, the trail cam, I just brought home and went to view images and same thing)
Could it be the card reader itself? (though that does not explain the corruption/error message occuring while out at other locations taking photos) The SD cards are all San Disk ULTRA so not exactly cheap ones, and with storage of 16gb, and some at 32 Gb.
I'm really at a loss to understand all of them corrupting, and now feeling very nervous about important shoots coming up. I would appreciate any advice or suggestions?
(I do format the cards regularly in their respective devices, and do not delete images using the computer, only the device itself)