The absence of the "scan for devices" button itself, as opposed to an
import button for the specific camera, suggests that your Darktable
install was compiled without access to 'gphoto2'.
If you compiled Darktable yourself, make sure the 'libgphoto2-dev'
package is installed and look over the buil
* rob lineberger [11-11-20 23:37]:
> I've heard great things and I can't wait to try tethering my Canon 7D with
> darktable. However, there is no menu option for "Scan for Devices." Or
> "import from camera", or "tethered shoot" for that matter.
>
> I'm on Ubuntu 18.04.5 LTS with a fresh instal