While reading Justin VanLeeuwen's review of the new Sigma 35mm f/1.4 DG HSM at Canon Rumors
, this comment struck a chord with me.
Speaking of art, this lens has a rounded “A” slapped onto the side, denoting it as part of Sigma’s "Art" series ... I sort of find this misleading: while the art of the lens itself is clearly visible in its craftsmanship, it’s presumptuous and potentially misleading to say a lens is for “art” as much as it is to say another lens "S" is for “Sport” or "C" for “Contemporary”. (What the heck does contemporary mean!?) As a slightly OCD guy, I understand the need to classify things, but this is a clear oversimplification that has little bearing on real-world photography. It’s actually kind of silly...
It's a trivial thing, I realize, but when Sigma first announced their new lens nomenclature, I, also, found it a silly oversimplification. And, since VanLeeuwen mentions it, presumptuous.

