Cool images of the new Sigma MC-21 L-mount adapter March 22, 2019 News 0 Comments A few nice images of the MC-21 adapter seen for the first time at the Cp+ show. BHphoto listed all Sigma L-mount lenses (Click here) and the MC-21 adapter (Click here). via ryucam 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