Install gimp-dcraw by entering the following commands in the terminal:
sudo apt update sudo apt install gimp-dcraw
Description:
GIMP plug-in for loading RAW digital photos
This is a plug-in for the GIMP which uses dcraw to load the RAW format files used by certain digital cameras (see dcraw for supported models). It is by the same author as dcraw itself.
Homepage: http://www.cybercom.net/~dcoffin/dcraw/
Version: 1.32-1
Section: universe/graphics