![Permalink to Olympus M. Zuiko Digital ED 45mm f/1.2 Pro Designed and Patented by Sigma?](http://43addict.com/wp-content/uploads/2019/02/Olympus-M.-Zuiko-Digital-ED-45mm-f1.2-Pro-lens-144x144.jpg)
Photorumors is reporting that Sigma filed a patent P2019-23693A that looks like it’s for the Olympus M. Zuiko Digital ED 45mm f/1.2 Pro. It is not surprising that Olympus would turn to Sigma for help since they have designed some of the highest quality lenses on the market in recent years and professionals expect a lot out […]