Update: The Canon-mount version is in stock at B&H Photo.
Authorized Sigma retailers @ Amazon.com carry the Sigma 24mm f/1.4 DG HSM Art (for Canon and Nikon), while B&H Photo is still fulfilling pre-orders (subscribe here to be notified when it gets in stock!).
The folks at Focus Numérique have completed their review of Sigma’s latest addition to the Art lens series, and have come away very impressed overall.
It’s hard not to recommend this lens. Following the highly acclaimed 35mm f/1.4 and 50mm f/1.4, the Sigma 24mm f/1.4 Art is another top-flight optic that will delight landscape and reportage shooters. Optical quality is excellent, with very high and uniform sharpness at all apertures. […] Build quality is very good – in line with the 35 and 50mm. As for the icing on the cake, the lens is classy, discreet and relatively compact. Distortion and chromatic aberration are well controlled. The only weakness is very pronounced vignetting at large apertures.
Additionally to RAW sample images from the Canon 6D, the review features normalized sharpness results throughout the aperture range and across the field (with the same limitations as DxOMark’s). Summing things up…