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Photo Exif data

Old 21st Jun 2020, 18:36
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Photo Exif data

Whilst using these strange times to go through my photo collection and sort it all into years and categories etc, I have come across a few folders and the photos within have a photo date of 1979 when checking the information tab on each photo. The majority were taken in the last decade, so obviously somewhere along the way something has happened. Would anyone know what that might be and is there an easy way of getting the photo's creation date back to what it should be ? I'm batch renaming the photos and it runs by date, oldest to newest, so this mucks up the flow so to say.

The 'wrong' date is 31st December 1979 some 33 years off the general date of the offending photos/folders.

Any help appreciated.
SpringHeeledJack is online now  
Old 21st Jun 2020, 22:02
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The FAT file system uses a date system that starts from 1 January 1980, the fact that your files are showing as 31/12/1979 suggests that they have a date stamp of null or zero i.e. no date information available. Dependant upon the file there may or may not be some more information available in the file metadata. Try right clicking on the file select "Properties" then select the "Details" tab, there might be some information about when the photo was taken there.
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Old 28th Jun 2020, 20:19
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Plastic PPRuNer
 
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Use Irfanview (free) and it's powerful batch handling abilities to sort the dates out.

https://www.irfanview.com/

Mac

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Old 29th Jun 2020, 16:13
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I use “A Better Finder Attributes” from publicspace.net.

What you may be seeing is the Created or Modified date - these are the two commonly displayed in Finder/Explorer.

ABFA will display Created, Modified & Exif data. The operation to fix these files is to “Copy EXIF Timestamp to Created/Modified”.

The app is also useful if you use multiple cameras, or the time-zone is incorrect. The values can be skewed by minutes, hours or any required value.

Not sure if this is a Mac only app.

Good luck.
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Old 30th Jun 2020, 16:42
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Thanks for the replies chaps. I'm on a Mac, so the Better Finder is probably the way to go. I've been using their Renamer app on and off since a few years and have been very happy with it's simple efficiency.

I'm still none the wiser how the EXIF data on the photos changed from their original though, my technical knowledge wouldn't have allowed me to knowingly muck around with the inner workings.
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