The Canon EF-S 24mm f/2.8 STM is a highly portable pancake lens that’s ideal for travel and street photography. Its advanced optical design ensures great image quality, while a large f/2.8 maximum aperture allows hand-held low-light shooting. STM focusing delivers smooth, near-silent AF when capturing movies. At just 22.8 mm deep, and weighing 125g, the EF-S 24mm f/2.8 is a take anywhere lens. - Shoot candid travel and street photography with this Canon Pancake Lens - Its 24 mm focal length gives the same angle of view as a 38 mm lens on a full-frame DSLR - Take pictures from dusk to dawn without flash - its maximum aperture of f/2.8 lets in plenty of light - Its near-silent STM focusing is fast and smooth, so your movies won't be spoilt by clunky and slow focusing