On Mon, May 25, 2015 at 5:23 PM, Mark Himsley <[email protected]> wrote:
> On 25/05/2015 13:53, Roman Lebedev wrote:
> > On Mon, May 25, 2015 at 2:46 PM, Mark Himsley <[email protected]
> > <mailto:[email protected]>> wrote:
> >
> > Hi,
> > Hi.
>
> Hi Roman,
>
> > I have the kit Sony 16-50mm zoom lens on an ILCE-6000. The lens has
> > considerable distortion so I have Darktable 1.6.6 apply lens
> correction
> > and denoise to the RAW files.
> >
> > Apply via preset/style?
>
> Preset.
>
> > The denoise filter knows the ISO from the exif and applies the right
> > profile or denoise filter.
> >
> > The lens correction always applies the correction for 16mm. It does
> not
> > appear to read the EXIF.
> >
> > There is a limitation on how presets for Lens IOP work: if default
> > values do not
> > suit you, and you change *anything* and then create preset/style,
> > that preset/style will not auto-adapt to each image focal/F/d.
>
> I assume you are right. I deleted the preset and recreated it being sure
> not to touch any control.
I am sure. After all, i wrote the code for lens iop settings to auto-adapt
to current image.
I then deleted all of the xmp files, removed
> all the files from Darktable, and reimported them.
>
> The lens correction is now, err, correct.
>
I'm working on improving this, hopefully, in 2.0 it will work more closely
to how you'd expect it to work.
>
> BTW, what does IOP stand for?
>
input output processing, i think.
> I think it's such a shame I could not just 'change history' - change the
> focal length in the auto applied lens correction preset, because I'd
> made some other corrections to images before I noticed the incorrect
> lens correction. So I had to throw away my work. I think Darktable would
> be better suited to having effect layers rather than time based history.
> Anyway - that's off topic.
>
> Thanks for your help, Roman.
>
> --
> Mark
>
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