First Image of Yongnuo 28mm f/1.8 C STM Lens Yongnuo will soon announce a new STM lens for Canon EF mount, this lens is Yongnuo 28mm f/1.8 C STM lens. This lens will have STM feature. Related Posts Canon RF 85mm f/2 IS STM Lens Rumored Coming in 2020 More Leaked Images of RF 16mm f/2.8 STM Lens EF-M 32mm f/1.4 STM Lens Sample Images First Image & Specs of EF-S 35mm f/2.8 Macro IS STM Lens First Leaked Image of Canon RF-S 22mm f/2 STM Lens ? First Image of Upcoming RF 50mm f/1.8 STM Lens