The Sigma 18-35mm F1.8 DC HSM is the world’s first lens offering an aperture of f1.8 throughout the zoom range. A Korean website lcap has posted a review including Sigma 18-35mm F1.8 DC HSM lens sample images.
You can see how the lens performs on a full frame DSLR camera from the sample images on the website. Sigma 18-35mm F1.8 DC HSM lens sample images taken with the Canon EOS 600D / Rebel T3i.
Sigma 18-35mm F1.8 DC HSM Lens Sample Images
The new 18-35mm F1.8 DC HSM is a standard zoom-lens for digital single lens reflex cameras with APS-C size sensors. Here are some sample images below: