Darktable 3.0 Exif on export

Software darktable
,
18

You could try to use export settings. Go to the preferences of the Export modul.
grafik
Example:

Exif.Photo.FNumber=8
Exif.Photo.FocalLength=50
Exif.Photo.LensMake=Cosina
Exif.Photo.LenModel=CT-9