Sigma patented two new lenses: 13mm f/2 (APS-C) and 18mm f/2 (Full Frame) August 2, 2022 News 0 Comments Asobinet spotted two patents describing the design of two L-mount lenses: Sigma 13mm F2 DC DN (APS-C) Sigma 18mm F2 DG DN (Full Frame) Andreapazzo **This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases **This post contains affiliate links to eBay and I will be compensated if you make a purchase after clicking through my links. As an eBay Associate I earn from qualifying purchases