kcin,
No, you’re not able to use a grabber without a camera file. But you have options for getting these files if you don’t already have one.
This KnowledgeBase article should help you out: http://digital.ni.com/public.nsf/allkb/05DCE3868362783586256FC8004F123C?OpenDocument
You can also generate a camera file by using our Industrial Camera Advisor:
http://sine.ni.com/apps/utf8/nipc.specs?action=search&asid=1102
Blake C.
Applications Engineer
National Instruments
www.ni.com/support