Microscope Camera Mounts 0.35XMicroscope Camera Mounts 0. 35X Convert a microscope trinocular microscope phototube head port to traditional C Mount type. These C mounts are available for Olympus, Leica, Nikon & Zeiss with a different built in reduction lens for achieving better field of view from microscope trinocular head suitable for 1, 2 3, 1 1. 8, 1 2, 1 2. 5, 1 3 or 1 4 inch CCD or CMOS sensor chips).