
Sony Hvl-F45rm
Plug-on flash, Sony
Sony Hvl-F45rm
Plug-on flash, Sony
No, it is not included.
Yes, it is compatible when used as a clip-on flash. However, it is not compatible as a radio-controlled wireless flash. Two reasons: The RX10 cannot control external flashes via radio and the wireless control unit for external flashes offered by Sony is not compatible with the RX10.
Yes, the flash is compatible. Yes, the adapter shoe is required. See also manufacturer's page -> Compatibility list: http://support.d-imaging.sony.co.jp/www/cscs/accessories/compatibility.php?area=gb&lang=de&mdl=HVL-F45RM&cat=2&loc=de_DE