Cyclopital3D Stereo Base Extender for JVC GS-TD1 3D Camcorder Effectively expands camera's stereo base from 32mm to 140mm Record subject 4x further away enhancing 3D effect with increased depth Fit both JVC 3D camcorders: GS-TD1 & GY-HMZ1U ProHD Easily attaches to the tripod mount of the camcorder Sealed mirror chambers