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ExifTool Forum

General => Metadata => Topic started by: surfer on May 25, 2011, 01:38:34 PM

Title: Edited photos
Post by: surfer on May 25, 2011, 01:38:34 PM
Hi,

It seems that if a photo is re-saved lens data is lost. Is this the case for all standard photo apps such as photoshop, iphoto, aperture, lightroom etc.?
Is it because lens data is encrypted?

Thanks!
Title: Re: Edited photos
Post by: surfer on May 25, 2011, 01:52:38 PM
I noticed that when a RAW image is saved as JPEG I get data in the "Lens" tag but nothing in the "LensID" tag.
Does lightroom partially save the lens data then?
Title: Re: Edited photos
Post by: Phil Harvey on May 25, 2011, 09:03:51 PM
Adobe products are particularly bad at preserving this type of information because they all discard the maker notes when an image is resaved.

- Phil
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