Image quality results have been added to the Sigma 12-24mm f/4 DG HSM Art Lens Review.
We'll be loading 1Ds III results for this lens soon, but here is the comparison to the Sigma 12-24mm f/4.5-5.6 DG II HSM Lens, the 12-24 Art's predecessor, using the 5Ds R.
The Sigma 12-24 f/4 Art Lens vs. the Canon 11-24mm f/4L Lens was the first comparison on my list. All of the facts you need to know are not in yet, but ... would you pay $1,200.00 USD more for the Canon than the Sigma based on this comparison? Let us know what you think in the comments.
B&H has the Sigma 12-24mm f/4 DG HSM Art Lens in stock.