editing metadata

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isleofgough New Member • Posts: 2
editing metadata
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I wanted to share my experience with editing EXIF metadata on RAW files where mechanical (dumb) lens adapters are used. This is a common issue with mirrorless cameras where alternate lenses are used along with a mechanical tube adapter. Since there is no electronic connection with the actual lens, no data is sent to the camera on the lens manufacturer, focal length, f stop, or model. This makes it impossible to search for images with certain lenses or focal lengths in Lightroom or Capture One Pro or DXO Photolab.

Surprisingly, although non lens metadata can be added in Lightroom, Capture One Pro and DXO Photolab, I have not been able to edit the lens information "NA" in RAW files using these programs.

I purchased Photo Exifer, which was a big mistake. The demo version does not allow one to save the edits and the paid version corrupts RAW files (and writes them to a separate directory). My experience with RAW files from Leica cameras is that after editing with Photo Exifer, they cannot be opened in Lightroom or Capture One Pro. I don't know about DXO Photolab, as that company is about two years behind in support for newer Leica cameras. The creator of Photo Exifer offers no refunds nor will it fix the software, and Better Business Bureau gave them a one star.

I then purchased MetaImage. It works like a charm and allows one to edit the focal length, manufacturer, model, serial number, f stop and many other EXIF categories. It allows overwriting the original RAW file and does not corrupt the files. One has to reload the metadata in C1P or Lightroom, but it works perfectly. The creator responds quickly to any questions and offered a full refund if it does not work as expected.

Although there are other applications that use command line editing, I can highly recommend MetaImage to anyone who wishes to add accurate EXIF data to their RAW files.

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