The same is true for the firewire 400. So to make this connection, you actually need two adapters. You also need a firewire 800 cable. If you are going from Firewire 400, you need a firewire 400 ...

CONNECTORS: Firewire 400 (4Pin IEEE 1394) to Firewire 400 (4Pin IEEE 1394). It can be used in various applications such as video capture, video editing, audio processing, and data transmission.

these cables are usually meant to connect Mac computers to external peripherals like monitors and hard drives, or to devices like iPhones and iPads. From HDMI connectors and FireWire 400 or 800 cables ...