I've admittedly been a bit absent from these forums for quite some time, but I have a quick poll of opinions for the knowledgeable lot of you. Having already cleared the cards and used them for other work, I encountered a strange block of purple artifacts on one photo during editing. With the other three hundred or so images taken before and after it unaffected, I'm wondering what caused this issue.
When viewed at 100%, it manifests itself as a one-pixel deeply saturated alternating gray and purple layer over the image underneath. For some reason, uploading it to photobucket and resizing it has lessened the color intensity of the distortion.
Is this the first signs of one of my CF cards failing, or was it an error during the writing process from the camera or the transfer to my computer? Considering photos taken afterwards are perfectly fine, I'm assuming it isn't a sensor issue. I had my ST-E3 off for the shot, so I don't think it's a matter of RF interference.
As I wasn't planning on using the shot in the album, it's not a huge loss for me, but I'm wondering if anyone else has experienced this phenomenon and whether I should get in the habit of writing to the CF and SD cards concurrently if there's an impending card failure on the horizon for me. Thanks for any opinions and/or insight!
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