Hi,I'm reluctant to ask such a question on a mailing list rather than on forum, but the darktable forum has to be replaced soon and does not generate much activity, so here am I. And sorry if I do spam. That beeing said...
As a long term Lightroom user, fed up with Adobe policy and silly functionalities and forever growing hardware requirements, I'm thinking about trying Darktable, and switching to Linux as well, since LR is in fact the only software that keeps me using Windows.
As a Micro 43 user, I use a system where algorithmic lens correction is part of the system : lenses are designed with a subsequent electronic correction in mind. This "philosophy" is very different from the Canon or Nikon way of thinking, but it makes Micro 43 users very careful to lense correction.
Among my current lenses (and former ones for which I can't perform a custom calibration by my own), many have lensfun profiles, but without vignetting corrections. There comes my question ...
With Darktable, are profiles mandatory to perform lens correction ? Because AFAIK, raw data include manufacturer parameters to correct geometry and vignetting, and LR does typically not need a profile to correct that.
Best, Pierre.
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