My Cable Mart - 15ft, 6 Pin to 4 Pin Firewire 400 / 1394 / iLink Cable
FireWire (IEEE 1394) 6-Pin Male to 4-Pin Female Adapter - Micro Connectors, Inc.
Pearstone FireWire 400 4-Pin to 6-Pin Cable - 15' (4.5 m)
Amazon.com: Firewire 400 4 Pin to 6 Pin Cable, Male to Male iLink DV Cable, 6-Pin/4-Pin IEEE 1394a, Black, 6 Pin to 4 Pin Male to Male DV Cable 4-Pin to 6-Pin
Datavideo FireWire 4-Pin to 6-Pin Adapter CA64 B&H Photo Video