yes: two lenses are in lensfun-data.
yes, I know that update-data provides more. My issue has nothing to do with
lensfun data, but rather with Darktable 1) finding the lens and getting the
correction data; 2) perseverance of the lens selected; 3) showing a list of
other lenses to choose from; 4) able to do #2 #3 even for a manual non-CPU
lens.

On Wed, Apr 18, 2018 at 8:54 PM Patrick Shanahan <p...@opensuse.org> wrote:

> * Daudi Amani <dsaro...@gmail.com> [04-18-18 22:43]:
> > i installed lensfun-0.3.2 AFTER installing Darktable 2.4.2. I am able to
> > verify the lens data if I select the lens ... unfortunately, Darktable is
> > NOT providing any persistence to the selected lens. It should be
> > remembering my lens choice in the .xmp file. Nor is Darktable supplying
> me
> > a list of choices of lens. As the screenshot shows, I am only given ONE
> > choice, which indeed is the lens designated in EXIF. However, in the case
> > of a manual non-CPU lens, I am NOT given ANY choices.
> > BTW: A careful reading of the reported issue will show that it not
> merely a
> > lensfun data issue.
> >
> > On Wed, Apr 18, 2018 at 9:29 AM Patrick Shanahan <p...@opensuse.org>
> wrote:
> >
> > > * Daudi Amani <dsaro...@gmail.com> [04-18-18 12:21]:
> > > > Issue: Darktable is not automatically recognizing lens and
> correcting.
> > > > Further, DT doesn't show a list of possible lenses to choose from
> which
> > > is
> > > > desirable when using a manual non-CPU lens.
> > > >
> > > > Behavior:
> > > > 1) each time an image is selected, DT shows (screenshot)
> > > >
> > > > 2) when I click the down-triangle to the right of the lens, it
> > > immediately
> > > > finds the correct lens (but still doesn't show me a list of all
> lenses
> > > like
> > > > DT older versions used to do) (screenshot).
> > > >
> > > > 3) then when I select the choice given, it fills out corrections:
> > > >
> > > > 4) BUT, if I select a different image and then come back to this
> one, it
> > > no
> > > > longer remembers the lens which I had selected and the entire process
> > > must
> > > > be manually repeated. Of course, if I close DT, then reopen, it
> doesn't
> > > > remember either.
> > > >
> > > > 5) Never does it give me an option to view a list of all available
> lens
> > > > choices.
> > > >
> > > >
> > > > camera: I'm using a Nikon D5600 in RAW mode with one of three lens:
> > > Nikkor
> > > > 18-55mm, Nikkor 55-200mm, legacy (non-CPU) Nikkor 135mm.
> > > >
> > > > Darktable v2.4.2
> > > > Lensfun 0.3.2
> > > > OS: Ubuntu 16.04
> > >
> > > did you try lensfun-update-data
> > >
> > >
> > >
> > >
> > > --
> > > (paka)Patrick Shanahan       Plainfield, Indiana, USA
> @ptilopteri
> > > http://en.opensuse.org    openSUSE Community Member
> facebook/ptilopteri
> > > Registered Linux User #207535                    @
> http://linuxcounter.net
> > > Photos: http://wahoo.no-ip.org/piwigo               paka @ IRCnet
> freenode
> > >
> ___________________________________________________________________________
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> > >
> > >
> >
> >
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>
> you lense[s] is/are in the lensfun-data?
>
> and you know that lensfun-update-data provides you newer lenses than the
> install package?
>
> and it's idenity matches exif data?
>
> aiui, dt *only* uses the data available in the lensfun package.
>
> --
> (paka)Patrick Shanahan       Plainfield, Indiana, USA          @ptilopteri
> http://en.opensuse.org    openSUSE Community Member    facebook/ptilopteri
> Registered Linux User #207535                    @ http://linuxcounter.net
> Photos: http://wahoo.no-ip.org/piwigo               paka @ IRCnet freenode
> ___________________________________________________________________________
> darktable developer mailing list
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> darktable-dev+unsubscr...@lists.darktable.org
>
>

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