Working with my Lumix LX7 last month, I made a variety of photos of St. Lawrence & Atlantic 394 coming down from the border crossing at Norton, Vermont.
When I first attempted to download the SD card from the Lumix, I noticed a serious problem with several of my files.
Portions of the files suffered from corrupted data, with large portions of the image area scrambled.
However, when I viewed the photos in camera, there was no sign of this problem.
Normally, I take the SD card out of the Lumix and used a card reader to couple the card to my MacBook Pro. Then I download the files using a program called ‘Image Capture version 8.0’. Once downloaded, I then upload select images into Lightroom. This saves the files which creates a secondary backup, while allowing me to organize the photos and make scaled and corrected copies.
After a bit of fussing, I decided that what I had suffered wasn’t a write error to the card (which is a very serious problem), but rather a card read error. In otherwords all the information was safely stored my SD card and it was getting corrupted during the downloading process.
What, I ended up doing was using Lightroom to download the card directly. Then I used Lightroom to output my originals in DNG format which I stored in a folder along with the rest of my August Lumix files.
Below, I show the corrupted files as I original saw them (scaled for internet), then the unadjusted DNG files (scaled); and finally my adjusted DNG files.
The lesson: don’t panic if you suffer from corrupted files. Your data may still be recoverable. [Just don’t erase or format the card.]
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