The Fujinon 2/3" B4 to Sony 1/2" Hot Shoe Mount Adapter is a lens adapter for Sony XDCAM 1/2" camcorders. This adapter allows the XDCAM 1/2" camcorders to utilize high quality 2/3" HD Fujinon lenses using the Sony B4 mount.
The power cable from the lens connects to the ACM-8B adapter. Camcorders
This adapter will work with Sony XDCAM camcorders such as the PDW-F350 and 330. Broadcast Lenses
Broadcast lenses used with 2/3" HD cameras feature optics and image depth that is at a much higher quality than lenses designed for 1/2" camcorders. The upgrade in lens quality will improve the image to levels unprecedented in the 1/2" chip realm. | 
