Maybe you missed this: New wide and fisheye converters for the 16 and 20mm APS-C E-mount lenses.

Just a heads up. With all those new FE lens and converters announcement you may have missed that Sony also announced new wide and fisheye converters for the 16 and 20mm APS-C E-mount lenses. I now updated the preorder list and includes the links to thw two APS-C converters. Not that the European links also do show image samples taken with the new converters:

In Europe at:
Zeiss 35mm f/1.4 FE at Sony Germany, UK, FR, IT, ES, NL, BE, AT, CH, SE, FI, NO, PT.
Sony 90mm f/2.8 FE at Sony Germany, UK, FR, IT, ES, NL, BE, AT, CH, SE, FI, NO, PT.
Sony 24-240mm FE at Sony Germany, UK, FR, IT, ES, NL, BE, AT, CH, SE, FI, NO, PT.
Sony 28mm f/2.0 FE at Sony Germany, UK, FR, IT, ES, NL, BE, AT, CH, SE, FI, NO, PT.
Wide Angle converter at Sony Germany, UK, FR, IT, ES, NL, BE, AT, CH, SE, FI, NO, PT.
Fisheye converter at Sony Germany, UK, FR, IT, ES, NL, BE, AT, CH, SE, FI, NO, PT.
Wide angle converter for 16 and 20mm lenses at Sony DE, UK, FR, IT, ES, NL, BE, AT, CH, SE, FI, NO, PT.
Fisheye converter for 16 and 20mm lenses at Sony DE, UK, FR, IT, ES, NL, BE, AT, CH, SE, FI, NO, PT.

In USA at:
Zeiss 35mm f/1.4 FE at Amazon, Adorama, BHphoto.
Sony 90mm f/2.8 FE at Amazon, Adorama, BHphoto.
Sony 24-240mm FE at Amazon, Adorama, BHphoto.
Sony 28mm f/2.0 FE at Amazon, Adorama, BHphoto.
Sony Fisheye Conversion Lens for FE 28mm F/2 at Amazon, Adorama, BHphoto.
Sony Ultra-Wide Conversion Lens for FE 28mm F/2 at Amazon, Adorama, BHphoto.
Sony Fisheye Converter for E 16mm F/2.8 and E 20mm F/2.8 at Amazon, Adorama, BHphoto.
Sony Ultra-Wide Converter for E 16mm F2.8 and E 20mm F2.8 at Amazon, Adorama, BHphoto.