Thorston; I would appreciate if you would send the xmp to me so that I 
am really sure of your working. I tried to follow your instruction but 
am not seeing significant improvement.

Thanks;

David


On 13-08-12 11:40 AM, Torsten Bronger wrote:
> Hallöchen!
>
> David Vincent-Jones writes:
>
>> The problem raw file along with the xmp is available here:
>>
>> https://www.dropbox.com/sh/2o4o7xjd4a3nhj2/-h0XoaNElO
> Thanks for the upload.
>
> There is no TCA correction in LensFun for this lens.  I measured it
> with tca_correct and used LensFun for the correction.  But it was
> slightly better to do it manually: Both TCA slider to 1.00032 and
> the TCA is supressed.
>
> The rest is purple fringing.  Until we have a "remove CA by
> desaturating edges" module, you may pull the third control point
> from the left for chrominance in the equalized module downwards.
> Mask it do the dark areas, so that the bright centre is not
> desaturised.  Done.
>
> Tschö,
> Torsten.
>


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