SUNWIN New Zoom control for DV Cameras Video Lens Zoom Controller For Panasonic Canon Sony Etc DV LANC,ACC,REMOTE Camcorder ProZoom Control For Panasonic canon sony etc DV LANC,ACC,REMOTE Camcorder Compatible with: Panasonic cameras with 2.5mm jack Use for both Lanc and Panasonic DV cameras Shooting / Stop button Zoom speed varies from slowest to fastest with the touch of a thumb