From SHOTENKOBO…
KIPON EOS/EF Lens to Micro 4/3 Adapter AF Speed Test Part 1
#Translated from Japanese…
World’s First! Canon EOS / EF mount lens Micro Four Thirds mount camera volume is an electronic mount adapter for mounting to di. And a electronic contacts, achieving a high-speed auto focus and stability. Camera shake correction mechanism, Ex it corresponds to the transfer of if information. EF-S lens is also available.
KIPON EOS/EF Lens to Micro 4/3 Adapter AF Speed Test Part 2
KIPON EOS/EF Lens to Micro 4/3 Adapter AF Speed Test Part 3