yes alf, but logitec do two lines of webcam
cheap: could be anything
expensive: uvc complient.
I have just the expensive ones , ie the 4000 5000 7500, all uvc.
some of there cheap ones of the past for example include:
QuickCam Communicate and Quickcam express which like microsofts Microsoft VX-3000 are all
gspca devices, and usualy (talking from a couple of years back perspectiv) come with a bunch of software issues.
a quick google about gets me
http://ubuntuforums.org/showthread.php?t=1718575which appeared to solve this users issue.
maybe this will solve the issue.
regards peter