The new Flash and accessories can now be preordered here:
Sony HVL-F60RM flash at Adorama and BHphoto.
Sony FA-EB1 External Battery Pack at Adorama and BHphoto.
Sony FA-RG1 Multi Interface-Shoe Rain Guard at Adorama and BHphoto.
Sony VMC-MM2 Release Cable for RX0 at Adorama and BHphoto.
The A7III preorders will open on Wed 28 at 11am NYC time at Amazon, BHphoto and Adorama.
And here you have two videos from Miguel Quiles to introduce you to the new Sony Flash and Battery Pack:
Flash Video> https://youtu.be/2X3JioQY37Q
Battery Pack Video> https://youtu.be/6sYBJSttRnc
Miguel Quiles