focuser


Permanent Focus

The PerfectStar controller has always had a “shutdown” feature that stores the current position in non-volatile memory so that there is no need to set the zero position the next time you use it.  Furthermore, the shutdown feature is invoked automatically when an ASCOM-connected application disconnects from the controller.  Building on this feature, Permanent Focus (available in firmware version 5.2) also remembers the last established reference position and temperature (the “reference point”) for temperature compensation (TC).  To use the Permanent Focus feature, simply enable TC before executing the shutdown/disconnect.  When the controller is next powered up (or if the shutdown/lock […]