Canon RF 50mm f/1.8 STM LensCanon RF 50mm f 1. 8 STM Lens The RF 50mm F1. 8 STM is a compact and highly versatile RF prime lens capable of high quality images. The wide aperture gives this lens excellent low light prowess which means youll be able to keep it on your camera all day long, even when light levels drop. With a fixed 50 mm focal length offering a neutral perspective and remarkable close focusing to capture details close at hand, youll soon discover new creative