Thunderbolt to firewire 400 adapter

hello please anybody here knows some adapter Thunderbolt to firewire 400 for using in my macbook pro?
I can’t find none over the internet :frowning:
thanks
Adriano

It’s more or less what I posted in here http://www.steinberg.net/forum/viewtopic.php?f=31&t=23705
There will be an adapter to Firewire 800 so going from there to Firewire 400 is easy.

thanks my friend :slight_smile: