Archive notice: This article was originally published on October 4, 2011. Links and embedded videos are preserved as part of the historical record.
The control module of the "Livelens MFT" adapter regulates the aperture opening in 1/3 steps via a touch panel. Power is supplied by a 9-volt block battery; the adapter works with any Micro Four Thirds camera, such as the Panasonic GH 2 or the Olympus E-P3.
The adapter is sold directly by the manufacturer and costs around 440 US dollars.
http://store.redrockmicro.com/livelensmft
