Canon's latest EOS M lens has a built-in ring flash
 

Canon's first EOS M may have landed with a thud, but things are getting much better for the mirrorless system. The company launched the excellent EOS M3 late last year, and just revealed a very interesting lens, the EF-M 28mm f/3.5 Macro IS STM. A ne...

http://www.engadget.com/2016/05/12/c...ro-ring-flash/