New Canon 15-50mm f/3.5-5.6 EF-M lens patent May 16, 2016 Rumors 0 Comments Canon patented a new EF-M lens. It’s a 15-50mm f/3.5-5.6 IS STM. Source: Egami. **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
