The Fujinon ACM-21 adapter fits directly to the Sony PMW-EX3 / PMW-300 and allows the use of high quality 2/3" lenses.

This is the exspensive version providing lens power. not to be confused with the ACM-18 

* Be advised that a magnification of 1.38x the original focal length of the lens will occur.

http://cvp.com/index.php?t=product/fujinon_acm-21&gclid=CP7j9dPA2NMCFYyRGwodMMUG6Q