Hi Peter, Thanks for the testing.
> For the gphoto2 backend, it's complaining that my vendor string isn't > recognized. > > 1) I can't find anything in the standard that says vendor strings must > come from a finite list. > > 2) The gphoto2 backend supports cameras from many different vendors. What > is the right vendor string to use in this case? (I'm currently using > "Gphoto2") That is just an information. There is a list of vendors in the SANE documentation to keep the spelling consistent over several backends. As far as I can tell, it is not a requirement. "Gphoto2" looks fine to me. I've added Gphoto2 to the list of vendors, so you won't see it anymore. Frank.