Originally Posted by BC
That's interesting. I was surprised to see a 10m unit when all the doco I have read says that 5m is the maximum. Did you ever get the live view on the 450D to work at the computer over that distance?
Yes - that's how I focused for the venus transit last month.
5m is the limit for passive USB, but I believe there are chips in the active cables to keep the timings ok. Have read about people chaining 2x10m, but not somthing I need to do, so don't tempt fate.