* Аl Воgnеr [07-03-18 07:34]:
> Am Mon, 02 Jul 2018 20:31:51 -0700
> schrieb jys :
>
> > On Mon, Jul 2, 2018, at 20:23, Matthias Bodenbinder wrote:
> > > Hi,
> > >
> > > I have a Tamron 90 mm macro lens. exiftool shows two different
> > > lenses for the same picture:
> > >
> > > 10# exiftool IMG_4527.CR2 | grep -i lens
> > > Lens Type : Canon EF 100mm f/2.8L Macro IS USM
> > > Lens Drive No AF: Focus search on
> > > Lens Info : 90mm f/0
> > > Lens Model : TAMRON SP 90mm F/2.8 Di VC USD
> > > MACRO1:1 F017 Lens Serial Number : 00
> > > Lens: 90.0 mm
> > > Lens ID : Canon EF 100mm f/2.8L Macro IS USM
> > > Lens: 90.0 mm (35 mm equivalent: 88.9
> > > mm)
> > >
> > > And as a result the pictures show as Canon EF 100mm in darktable.
> > >
> > > How can that be fixed?
> >
> > Exiv2 (not exiftool) provides a lens mapping method for that,
> > described here:
> >
> >
> > http://dev.exiv2.org/projects/exiv2/wiki/Lens_Recognition_in_Exiv2_v026_(and_later)/
>
> I have discussed this problem a few times with Sigma lenses in this
> list. There are a lot of Sigma leneses, which are reported as Sigma
> only.
>
> See eg:
> Subject: Re: [Lensfun-users] Adding new corrections and creating
> corrections from user submissions Date: Thu, 14 Jun 2018 23:44:14 +0200
>
> The first problem is, that the dt-repo for the latest Ubuntu 18.04,
> doesn't contain an exiv2-version, which supports this.
>
you could ask darix to build it for you on openSUSE Build Service.
--
(paka)Patrick Shanahan Plainfield, Indiana, USA @ptilopteri
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