8MBM24 Motorized Mirror Mounts combine our traditional 5MBM24 Kinematic Mirror/Beamsplitter Mount with our designed Motorized Compact Actuator 8CMA20-8/15. Advantages. More precise positioning than with the manual adjusters. Ideal for use in closed systems. Integrated opto-electrical limit switches prevent damage, while providing homing - repeatability better than 10 arcsec.