Sigma recent good form, multivessel Art Series lenses are sought after by users. Art Series two fixed-focus lens, 35mm f / 1.4 DG HSM and 50mm f / 1.4 DG HSM has a good performance, a direct result of pressure on the original lens. The most recent topic 24mm f / 1.4 DG HSM finally appeared in CP + 2015, and Sigma have pricing terms, but also very competitive. By Canon and Nikon, for example, EF 24mm f / 1.4 L II USM and the AF-S Nikkor 24mm f / 1.4G ED were higher pricing, Sigma 24mm f / 1.4 DG HSM significantly cheaper by a mile. If this is still beyond the original Sigma as a goal, is indeed a lot of people heart!