On Wed, 19 Jul 2006, Godfrey DiGiorgi wrote: > My testing of the Sigma 20/1.8 showed it to have poorer wide-open > resolution and contrast than the Canon EF20/2.8.
In addition to your point re contrast, we discussed T-stops the other day too. I would be very interested to see the T-stop of the Sigma (and not at all that of the Nocan :-)). Kostas -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net

