Sigma will soon announce the new 100-400mm F5-6.3 DG DN OS lens for L-mount June 10, 2020 rumors 0 Comments Within few days Sigma will announce the new 100-400mm F5-6.3 DG DN OS lens for L-mount! – via Nokishita 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