Am 28.12.2014 um 15:04 schrieb Benjamin Wie: > Hi, > > I've got a new Tamron 17-50 lens and I tried out Darktables lens correction > for it today which apparantly uses the lensfun library. Unfortunately the > CA correction doesn't work well at all, sometimes it makes the CAs even > worse. Example: > http://pasteboard.co/2M5do72i.jpg (original) > http://pasteboard.co/2M5ehyh7.jpg (CA correction of the lens correction > module) >
I would not say it gets worse, but you are right that it is far from perfect and the blind correction from darktable is clearly better. > So I assume there's a bug in lensfun. > > If you need the raw file: > https://mega.co.nz/#!WU433RwZ!Cg42uzAtBaTbWiI7dyqwSGwIoaEq5a5z1LLt37nwtO0 > We would need a better profile of the lens. Please see http://lensfun.sourceforge.net/calibration/ or http://wilson.bronger.org/lens_calibration_tutorial/ or http://wilson.bronger.org/calibration if you are interested to create a better profile. Best regards, Sebastian > Thank you in advance! > > Knuth Dethlef > > > > ------------------------------------------------------------------------------ > Dive into the World of Parallel Programming! The Go Parallel Website, > sponsored by Intel and developed in partnership with Slashdot Media, is your > hub for all things parallel software development, from weekly thought > leadership blogs to news, videos, case studies, tutorials and more. Take a > look and join the conversation now. http://goparallel.sourceforge.net > > > > _______________________________________________ > Lensfun-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/lensfun-users > ------------------------------------------------------------------------------ Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net _______________________________________________ Lensfun-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/lensfun-users
