Has Canon nerfed the 430EX III for the USA market? (Update: no)
Canon USA claims the 430EX III-RT does not have master mode. But the European distributors disagree.
Tag: 430EX III
Canon Speedlite 430EX III-RT announced with built-in radio master
The Canon 430EX III-RT adds radio transmission and other improvements to the Speedlite 430EX II.