I've never tried the script against an image with no identity.  I'll have
to "create" one and see what happens.

The Super-Takumar 50mm f1.4 is in the lensfun database.

Bill

On Sun, Dec 8, 2019 at 11:07 AM Anton Aylward <[email protected]>
wrote:

> On 07/12/2019 21:14, William Ferguson wrote:
> > There is a way to work around the mis or non identification of lenses.
> >
> > I've written a lua script to correct the lens information in the image
> database.
>
> Oh WOW!
>
> This might be a route to soling a problem I have.
> I favour using 'antique' lenses.
> https://www.youtube.com/watch?v=6rgp1Tfikv0
> with either adaptors or remounts
> https://www.youtube.com/watch?v=8kaN4Fj16wA&t=334s
> And in particular the Pentax Takumar 50mm 1.4 on my Sony:
> https://www.youtube.com/watch?v=oGH-Y4n0vSA
> https://www.youtube.com/watch?v=omeyL_siN8E
>
> The point of all of this is that these 'antique' lenses do not communicate
> with
> the camera body.  AT ALL.
> Not only are they 'not automatic' in any sense of the word, not only can
> the
> camera not adjust the aperture or the focus but the lens doesn't report its
> setting, nor does it report an identity.
>
> So you import  an 'anonymous' image into DT.  Hopefully you remember which
> lens
> you were using and hopefully it is in the database.
>
> Oh, is the Super Takumar 50mm 1.4 there?
> yes, for Sony E-mount, not A-mount
>
>
> --
> Capitalism is the astounding belief that the most wickedest of men will
> do the most wickedest of things for the greatest good of everyone.
>     --John Maynard Keynes
>
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