Sigma will announce the new 24-70mm f/2.8 L-mount lens development on November 6 November 4, 2019 rumors 0 Comments Image on top shows the front of the current Sigma 24-70mm f/2.8 EF lens On November 6 Sigma will announce the development of the new 24-70mm f/2.8 L-mount lens! **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