Hi, thanks for the fast response.
On 12/31/18 8:55 PM, Guy Rutenberg wrote: > > I've encountered the same issue with viginetting on the same lens > (using the a6000) and also on the 55-210 kit lens. See > https://discuss.pixls.us/t/lensfun-vignetting-correction-for-sony-kit-lenses/9537 > i've worked around it by using using an LCP. However it is not perfect > as only lensfun 0.3.95 supports the adobe correction model, and hence > it can't be used properly with darktable. Checking, thanks. > > Cropfactor > > This made me check the JPEG of the camera and compare it with > the lens-corrected RAW one. At first I've been pretty much > impressed: > > JPEG from my Camera: 6000x3376 > > RAW lensfun corrected: 6048x4024 > > Which means the camera (is probably aware of the issues with > the lens and) crops a massive amount of 648px in width and > 48px in height. However. This might as well be some sort of > misconfiguration of me (since I told my camera to take photos > in 16:9 when I took those photos - Going to check with the 3:2 > setting later / tomorrow). > > > Your JPEGs from camera should be 6000x4000. 6000x3376 is 16:9 ratio > (with no additional cropping). Oh right. Thanks. Then there's still the distortion / wrong correction which can be seen in the overlay.jpg left. Any idea on that one? Or does that have to do with the vignetting-part? > > Fixing the vignetting correction for the 16-50 and 55-210 lenses in a > "native" lensfun way would be really great. > Unfortunately, it seems that while I can do distortion calibration i > lack the gear needed for vignetting correction. > > Thanks, > Guy Thanks, Jean
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