
A Patent was found for a Sigma 13mm f/2 APS-C lens. Sigma has a lot of patents for lenses that they haven’t brought to market, but a 13mm could be competitive on X-mount. Sigma 13mm F2 DC DN (APS-C) Example 2 (for 13mm F2 APS-C) Focal length 13.45 F number 2.06 Total angle of view […]





