Mattias Burling Review – Sigma 45mm f2.8 – Affordable L-mount Alliance February 23, 2020 reviews 0 Comments Mattias Burling: The Sigma 45mm f2,8 DG DN Contemporary is currently one of the cheapest full frame prime lenses for the L-mount Alliance cameras. It is also available for Sony E-mount. But is it worth the retail price of $550? Andreapazzo Advertisement: **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