In an attempt to get access to content on my old MiniDV cam tapes, I attempted this long shot of an adapter hell... It's a Firewire 400 cable, to a Firewire 800
Amazon.com: TRENDnet USB and FireWire Adapter for TC-NT2, TC-NTUF : Electronics
FireWire 800 9-6 Adapter
Amazon.com: elago FireWire 400 to 800 Adapter (White) for Mac Pro, MacBook Pro, Mac Mini, iMac and All Other Computers : Electronics
Amazon.com: Blacell USB 2.0 A Male to Firewire IEEE 1394 6P Female Adaptor Converter Connector F/M : Electronics
Plugable USB C to USB Adapter Hub, 4 Port USB 3.0 Hub, USB Splitter for Laptop - Compatible with Windows, MacBook Pro/Air, iPad Pro, Surface Pro, Chromebook, Linux, Android, Charging Not Supported
FireWire to USB-C - Apple Community
MD464LL/A) Apple Thunderbolt to FireWire Adapter
Apple Thunderbolt to FireWire Adapter | Sweetwater
Amazon.com: Dafensoy IEEE 1394 Firewire Cable,1394 6Pin Female to 1394b 9Pin Male Firewire,400 to 800 Cable,Suitable for Digital Camera,Printer,DV 20cm(9 Inch) : Electronics
Amazon.com: iKiKin ANiceSeller Firewire IEEE 1394 6 Pin Female to USB Male Adaptor Convertor : Electronics
FireWire (IEEE 1394) 6-Pin Male to 4-Pin Female Adapter - Micro Connectors, Inc.