The LPL mounts mechanical function is based on the proven design of the ARRI 54 mm PL mount. In many productions, this mount was found to be robust and reliable while guaranteeing a precise flange focal distance. This was one of the main reasons that lead to the wide and universal adaption of the PL mount. LPL mounts are equipped with blue locking levers, so they can easily be distinguished from the black locking levers of the PL-to-LPL adapter.