GIOTTO 430 & ALTO-3 MOTORIZED COVER SHARPSTAR13 The filter cell is threaded

The filter cell is threaded on both ends so that multiple filters can be stacked (such as Baader colour planetary filters)

75 thread

14 mm with M52 thread

Maximum free aperture

But the best way of connecting the mount to your PC is using the LAN connection

GIOTTO 430 & ALTO-3 MOTORIZED COVER SHARPSTAR13 The filter cell is threadedThis bundle includes the Prima Luce Lab GIOTTO 430 flat field generator & ALTO 3 motorized cover, allowing you to completely automate acquisition of flat calibration frames. With the addition of the ALTO, it also can be used as a remotely controllable cover to protect the telescope when not in use. The GIOTTO is an ASCOM and Wi Fi controllable flat field generator designed to provide consistent and repeatable flat calibration frames. The GIOTTO 430