Lens Correction not working

Software darktable
12

the lens from the original post is in lensfun slr-sigma.xml:

<lens>
        <maker>Sigma</maker>
        <model>Sigma 150-600mm f/5-6.3 DG OS HSM | C</model>
        <mount>Canon EF</mount>
        <mount>Sigma SA</mount>
        <mount>Nikon F AF</mount>
        <cropfactor>1.613</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 80D -->

but it’s identified in exiv2 with a different name (as you can see it in darktable) So you need the exiv2 tweak to override the identification.

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