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09-10-2014, 02:44 AM   #1
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Pentax HD 55-300mm f4-5.8 ED WR lens: recognizing issue in Lightroom 5.6

Dear all,

I recently bought a Pentax HD 55-300mm f4-5.8 ED WR lens, and very happy with its performance.

Nevertheless, when it comes to re-touching in Lightroom 5.6, it seems that this lens cannot be recognized by Lightroom, as it is showed as "unknown lens" in the library. Did you meet the same issue there? Any solutions?

Thank you in advance for your feedback.

Best regards,


09-10-2014, 05:20 AM   #2
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Join Date: Jun 2014
Posts: 371
Same for me. As well as the pentax software that came with my k5ii.
09-10-2014, 05:24 AM   #3
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Location: East Bay Area
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same problem here, have to manually select the smc version.

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