Canon EF 40mm f/2.8 STM

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Specifications
Number of lenses6
Aspherical elements1
Aperture blades7
AF driveStepping motor
Min. focusing distance0.30m
Filter size52mm
Overall length22.8mm
Weight~130 grams

Overview

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 center 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 color 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 while capturing video with the Canon EOS Rebel T4i DSLR, a circular aperture (7 blades) for beautiful soft-focus backgrounds, and a short minimum focusing distance of only 0.98 ft./0.30 m.


MTF Charts

Canon-EF-40mm-f2.8-STM-MTF


Sample Photos

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Sample Videos

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