I was working on a photo taken with a Samyang 35mm on EOS 6D but when I tried to select it manually in the “lens correction” module, only 12, 14 and TS24 mm lenses showed up. But the 35mm is supported according to
Samyang 35mm f/1.4 AS UMC 1.0 yes no no
I tried doing “update‑lensfun‑data” and “update‑lensfun‑database” in Terminal but it said “command not found”.
What do I need to do next or install please? (“lensfun” not found in Ubuntu Software app)