Panasonic MakerNote tag: PanasonicDateTime

[herb]

Hello Phil,

I have a *.jpg image captured with a Panasonic TZ202 camera.
When I display all time-tags the MakerNote tag PanasonicDateTime is not part of the output.
After command

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exiftool.exe -time:all+=0:1 panatime.jpg
it becomes visible as follows:

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Panasonic Date Time             : 2b30:3a:31 00:00:00.00

The output of -htmldump shows the following timeinfo of original file - 20 byte:

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8 byte 0x00
8 byte 0xff
4 byte 0x00
After adding the delta-time it shows

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4 byte: 0x2b303a31  - which is +0:1
4 byte 0x00
8 byte 0xff
4 byte 0x00

Is this an error in Exiftool and how to avoid that such a "wrong" time will be created?

Thanks for your help in advance and
best regards
herb

[herb]

Hello Phil,

I have a similar observation with Olympus MakerNote tag DateTimeUTC. The image is from an Olympus OMD EM5iii camera.

The command

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exiftool.exe -time:all+=0:1 test.jpg
changes the value of this tag

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from: Date Time UTC                   : 0000:00:00 00:00:00
to:   Date Time UTC                   : 9999:11:30 00:01:00

The change of minutes is ok, but why is the year also changed?
How to avoid that -time:all+=... changes this tag.

Best regards
herb

[Phil Harvey]

Hi Herb,

Got it.  Thanks.  I'll fix both of these in ExifTool 12.05.

- Phil

[herb]

Hello Phil,

thanks for the correction in version 12.05

Best regards
herb