gphoto2 -I 2 -F 2 --capture-image-and-download


gphoto2 --auto-detect


gphoto2 --camera="displayed_name" U--capture-image-and-download


gphoto2 --list-config


gphoto2 --get-config /main/imgsettings/iso
gphoto2 --get-config /main/imgsettings/iso=2