There are firewire webcams available on the market. And National Instruments offers a driver which calls "NI-Imaq for IEEE-1394". If you need also a interface board NI offers the 8252. But make sure the camera supports the DCAM or IIDC specifications. You can find a KnowledgBase at http://digital.ni.com/public.nsf/3efedde4322fef19862567740067f3cc/afded7f599e8a73a8625689e007672e5?OpenDocument
