This is the Sigma 50mm F1.4 EX DG HSM lens:
Available mounts for this lens are Sigma, Canon, Nikon, Sony and Pentax. Before purchasing the lens, be sure to carefully read the product description at the official and product pages (provided later) to ensure compatibility with your camera.
Articles
Nikon 50mm f/1.4G vs Sigma 50mm f/1.4 (Nikon mount)
Reviews
Review on DPReview.com — This has almost all the technical details you might wish for on the Sigma 50mm f/1.4. They gave it a Highly Recommended conclusion.
Matthias Hutter’s user opinion — Sharp wide open, good bokeh, excellent build quality. He also comments on the differences between the Sigma vs. the Canon EF 50mm f/1.4, stating that flare and vignetting is better-controlled on the Sigma.
Sample photos
User photos on PBase.com — Hit refresh on your browser to bring up the next set of random images. You’ll also find some user feedback on the lens there.
Accessories and add-ons
The filter thread size on the 50/1.4 HSM is 77mm, which means you’ll want to be looking at purchasing 77mm filters.
Additionally, Sigma lists the following accessories:
- Sigma DG UV (ultraviolet) 77mm filter
- Sigma DG Wide Circular PL (polarizer) 77mm filter
- Sigma LH829-01 lens hood, for which you can purchase the original or a third-party version.
Resources
Official Sigma 50mm f/1.4 page at Sigma Corporation (Japan).
Mar 18, 2008 press release on DPReview.com.
Related
Sigma Lenses – Main page.
Canon Lenses – Main page.
Nikon Lenses – Main page.
Pentax Lenses – Main page.
Sony Lenses – Main page.