Sigma Files Patent for Full-Frame 11-22mm Art Lens

According to the Egami Blog, Sigma has filed a patent for an 11-22mm f/4.5-5.6 DG HSM FLD Art lens. Below is a screenshot of the Google-translated patent presented on the blog.

Sigma 11 22mm Art Patent

Aside from giving full-framer's an ultra-wide 11mm angle of view, this is an interesting patent as it would indicate a departure from the previous Art lenses which have traditionally featured a constant maximum aperture.

Sigma clearly has the Canon 11-24L in its sights with this lens's development and, considering the Art line's heritage, it will likely be released with a much more attractive price compared to Canon's extreme ultra-wide.

Posted: 12/14/2015 6:39:09 AM ET   Posted By: Sean
Posted to: Canon News, Sony News    Category: Camera and Lens Patents
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