I've seen lots of people talk about and work with ring-flashes, or using ring-flash adapters for their speedlites. Some use them in single flash setups, both on-camera and off-camera, other use them ...
I have a Ray Flash ring flash that I got for macro work. Whenever I mention it to a photographer, they often say that they really like it for portrait work. What are the advantages of using a ring ...
When I last checked years ago, the price of a typical Ring flash unit was approximately $500. Nowadays there are still ring flashes for approx. $500 like Pentax AF160FC, Pentax AF-140C, Canon MR-14EX, ...