Announced Sep 15, 2014. Discuss in the Canon SLR Lens Talk forum. Manufacturer description: The EF-S 24mm f/2.8 STM is a fast and versatile lens with advanced AF and superior optics. With a 35mm equivalent focal length of 38mm, it's appropriate for a variety of purposes. pdNi.

canon ef s 24mm f 2.8 stm review