Anyone know of one? The Fujinon stock lens won't accept traditional focus knob--and the JVC professional support told me that I could use the "varizoom" made for the gy-hm150--but that turned out to be incorrect because remote jack was too small on camera to accept varizoom.

VariZoom VZROCK-J600 JVC Lens Control | Zoom / Focus / Iris Control (http://www.varizoom.com/product-p/vzrock-j600.htm)

Try this.