Adding EXIF Lens data for manual lens (e.g "Lens Baby")

Posted by dbr on Super User See other posts from Super User or by dbr
Published on 2010-04-26T04:03:15Z Indexed on 2010/04/26 4:03 UTC
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photography

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exif

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metadata

I have a Lens Baby Composer, which is an entirely mechanical lens (no electronics in it), so the camera body cannot determine what lens is attached.. So obviously the metadata does not contain the lens info..

Is there any way to manually set this metadata, so the photos don't show up as "Unknown Lens"?

It's a Canon 5D Mark II (so the native files are .cr2), and I convert them to DNG with Lightroom

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