* Timur Irikovich Davletshin <timur.davlets...@gmail.com> [04-04-18 08:46]: > On Wed, 2018-04-04 at 08:21 -0400, Patrick Shanahan wrote: > > * Timur Irikovich Davletshin <timur.davlets...@gmail.com> [04-04-18 > > 08:01]: > > > On Wed, 2018-04-04 at 13:36 +0200, Tobias Ellinghaus wrote: > > > > Am Mittwoch, 4. April 2018, 13:15:39 CEST schrieb Timur Irikovich > > > > Davletshin: > > > > > Hello everybody! > > > > > > > > > > Just decided to play with DNG converter and discovered problem > > > > > related > > > > > to lens data interpretation by DT (2.4.2). > > > > > > > > > > 1. NEF file loaded by DT applies correct lens parameters. > > > > > Lens info shown by DT: Nikon AF-S DX Nikkor 18-55mm > > > > > f/3.5-5.6G > > > > > VR II > > > > > > > > > > 2. DNG file cannot apply it because wrong EXIF information is > > > > > used > > > > > (short lens name vs. full). > > > > > Lens info shown by DT: 18.0-55.0 mm f/3.5-5.6 > > > > > > > > > > 3. Focus information also is lost in DNG. > > > > > > > > That's why we tell everyone to never convert to DNG. > > > > > > > > Tobias > > > > > > > > [...] > > > > > > I believe problem is Nikon/DT related not DNG. Canon files I tried > > > work > > > as expected. Another example Nikon D1X files converted to DNG are > > > useless because there is no way turn pixel scale module on > > > manually. > > > > simple, don't convert native files to dng. the dng format is not > > provided > > by Nikon and cannot know the proprietary secrets that Nikon uses to > > generate its raw files. dng is *not* a standard. dng makes changes > > the > > the original (raw). why convert your raw twice? > > > > DNG made from Canon, Olympus works, Nikon's doesn't... meanwhile EXIF > data is there. Looks like it's not a problem of DNG itself. > > Whether we like it or not but DNG files (native or converted) are quite > common. Especially when DT documentation declares some sort of DNG > support in very first line of https://www.darktable.org/resources/camer > a-support/
do you not really read what you cite? <quote> Cameras that produce DNG files should be supported even if they are not on the list but samples are still appreciated. </quote> says nothing about supporting dng which is not native out-of-the-camera. -- (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 to unsubscribe send a mail to darktable-dev+unsubscr...@lists.darktable.org
