Canon Inc. has produced seven different 24mm lenses for its Canon EF and EF-S lens mounts. Three have been discontinued after updated replacements were announced. EF 24mm f/1.4L USM, introduced December 1997. (discontinued in 2008, replaced by EF 24mm f/1.4L II USM).
El EF 24mm F/2.8 STM de Canon te proporciona un ángulo de visión equivalente al de un objetivo de 38 milímetros. Al tratarse de una lente gran angular, puedes realizar el enfoque hasta a 0.16 metros del sujeto.