It was recently revealed that an RF-S ultra-wide-angle zoom lens will be unveiled this year, and it looks like it will be the Canon RF-S 10-18mm f/4.5-6.3 IS STM to expand its RF-S optics lineup. The first photos of the new lens or its prototype have already appeared on the Canonrumors website:
You will notice that this lens has a filter thread diameter of 49 mm. Unfortunately, nothing is known yet about other characteristics.
