CUS-M-BXFM-F-MLS-ILH Motorized focussing unit with coaxial coarse and fine focus, limit switch and BX3M-ILH illuminator holder for BXFM microscope system. The attached limit switch enables automatic switch-off of the motorized focus drive at the end positions of the micrcoscopes Z-axis. Mount for 32 mm Ø pillars. Focus stroke 30 mm, maximum focus speed 12 mm/s. Requires Maerzhaeuser Tango controller (M-CU#).