corrupted .nef File

Started by enzo, January 27, 2025, 01:46:50 PM

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enzo

January 27, 2025, 01:46:50 PM
Hello.
I have a problem with .nef file from e a Nikon z6 camera.
I copied an entire card and after a few months I noticed that some files, very important, do not open with any software.
Can someone help me?

Phil Harvey

#1
January 27, 2025, 01:48:33 PM
It is unlikely that anything more than a JPEG preview may be salvaged, but if you send me one of them I'll take a look to see what can be done.  My email is philharvey66 at gmail.com

- Phil
...where DIR is the name of a directory/folder containing the images.  On Mac/Linux/PowerShell, use single quotes (') instead of double quotes (") around arguments containing a dollar sign ($).

enzo

#2
January 27, 2025, 02:02:03 PM
Thanks for your Reply, Phil.
I sent file by email

StarGeek

#3
January 27, 2025, 02:19:12 PM
A quick test you can do is to zip one of the NEF files. NEF files are already compressed so when you zip an undamaged file, the resulting zip will be about the same size. If it compresses a large amount, for example a 20MB image compresses down to about 1-2 MB zip file, then the image is irrevocably damaged.
"It didn't work" isn't helpful. What was the exact command used and the output.
Read FAQ #3 and use that cmd
Please use the Code button for exiftool output

Please include your OS/Exiftool version/filetype

Phil Harvey

#4
January 27, 2025, 04:09:09 PM
I got the file and responded by email.  Unfortunately it was entirely filled with binary zeros. :(

I tried zipping it too, and the 23 MB file zipped down to 23 kB.

- Phil
...where DIR is the name of a directory/folder containing the images.  On Mac/Linux/PowerShell, use single quotes (') instead of double quotes (") around arguments containing a dollar sign ($).
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