Just in case Jakob has forgotten,
Fl=135mm ISO=140, Shutter speed 1/1000" @f5.6
Or that is what the exif info has reported.
What is wide open for Jakob's lens?
There ought not be any vignetting at those settings.
I took a test shot at 135mm f5.6. 1/1000" with a canon 350d, no vignetting at all.
Cheers,
Doug