The Canon EF-S 24mm F/2.8 STM Lens is a compact, wide-angle, prime lens suitable for landscape and portrait photography. It provides a focal length of 38mm (35mm equivalent) producing superb wide-angle shots. The lens has an STM motor, which gives quick and smooth focus tracking. With an aspherical element in its construction, the lens reduces any chromatic diversions or distortions on the edges. The lens coating guarantees great contrast and clarity of images. This lens is slim with a pancake design and measures less than an inch in thickness.