The POP-311 provides high speed polishing of optical connectors:
200 sec for polishing of SC/FC connector
80 sec for re-polishing of SC/FC connector
90 sec for polishing of MU/LC connector
30 sec for re-polishing of MU/LC connector
It is battery operated for mobility, and its high quality polishing ability makes it equivalent to a factory optical connector polisher.
More on the POP-311 Portable High Speed Optical Connector Polisher