08-29-2013, 11:10 AM
dpreview has published an interesting article which suggests that the 75/1.8 may have been designed by Sigma. I am really starting to wonder what is going on at Sigma these days - lens designer doping?
http://www.dpreview.com/news/2013/08/29/...=title_0_0
http://www.dpreview.com/news/2013/08/29/...=title_0_0