All G2 revision 3+, G3 and G4 CCD cameras are software compatible
and they use the same drivers.
Driver for ASCOM standard
Driver version 1.2 updates and fixes:
Driver for AstroArt
Driver version 1.5 fixes:
Fixed problem with inverted y-coordinate of defined
sub-frame. While the driver followed FITS standard, placing
coordinate origin to lower-left corner, AstroArt defines
sub-frame from upper-left corner. Y-coordinate is now handled in
accordance with AstroArt.
Drivers can be download from Download page of this site.