09-15-2014, 07:22 AM
One can hope that Sigma's 2* mm/1.8 triplets are going to see an update soon, all three of them - since they all might have a niche: a 20/1.8 as "da wide", a new (and rumored) 24/1.4 as "da fast" and a 28/1.8 as "da affordable".