Canon has introduced its 430EX III-RT midrange Speedlite. This is the company’s second flash to support radio-based wireless TTL (though it acts only as a slave), which offers longer ranges, more flexible positioning, and no line-of-sight requirement like traditional optical wireless flash systems. The 430EX III-RT is also faster, lighter and features refined rear controls, more custom settings, and a built-in catchlight panel. Read more
Articles: Digital Photography Review (dpreview.com)