Cotty stopped brewing his tea long enough to write: "<http://www.sigma-photo.co.jp/english/news/EM_140D.html>
Is there a Pentax ring flash?" The Pentax ring flashes have been mentioned by others. Sunpak also makes two: DX-8R DX-12R The Sunpak units use interchangeable modules so the flash can be used with other systems. The DX-12R is big enough to fit 67mm dia lenses. Tom Reese
