I posted this back in Jan... but it was moved to the below thread by Chris, I think it may have been missed by many and I am still trying to find out if someone has any experience with this... Phillip Bloom a test and review may be in order :)

http://www.dvinfo.net/conf/remote-lens-controllers/141707-varizoom-efc-u-electronic-focus-control.html

I replied to your post....

I just replied back as well. Hopefully someone has some experience with this unit and can provide their opinion...