Studio Adapter Rig For GY-HM790 & GY-HM700 Camcorders Clean Interface Modular System JVC's KA-790 is a mechanical adapter for studio use for GY-HM790 and KA-M790. It supports the VF-HP790 LCD studio viewfinder on top and stabilizes the entire system including an optional teleprompter. A hinged side panel makes it easy to remove the camera for...