A unique and indispensable addition to Canon's series of EF lenses, the new EF 40mm f/2.8 STM offers an ultra-slim and lightweight design. Incredibly compact in size, the EF 40mm f/2.8 STM delivers high-image quality from the centre to the periphery thanks to its advanced lens configuration including an aspherical element, a bright 2.8 aperture and optimized coatings that minimize ghosting and flare while providing exceptional colour balance. The EF 40mm f/2.8 STM's unobtrusive design helps the photographer avoid overwhelming their subjects with a large lens and to remain discreet in sensitive shooting situations with no compromise in performance. Its diminutive design is complemented by features such as a newly developed stepping motor for smooth and quiet continuous AF on any Canon DSLR capable of capturing video, a circular aperture (7 blades) for beautiful soft-focus backgrounds and a short minimum focusing distance of only 0.98 ft./0.30 m.
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