Canon
EF 40mm f/2.8 STM Lens
Out of stock · typically $163 - $202 used
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About the Canon EF 40mm f/2.8 STM Lens
The Canon EF 40mm f/2.8 STM is a compact pancake prime lens designed for Canon EF-mount DSLRs, offering a 40mm focal length with a 57-degree angle of view suitable for everyday photography on full-frame bodies and a 64mm equivalent on APS-C cameras. The lens features an f/2.8 maximum aperture that enables low-light performance and shallow depth of field control while maintaining an ultra-slim profile of less than one inch in thickness and weighing only 130 grams. Its optical design incorporates one aspherical element and Super Spectra coating to minimize distortion, spherical aberration, flare, and ghosting, delivering sharp and contrasty images across various lighting conditions.
The STM stepping autofocus motor provides smooth, near-silent focusing performance beneficial for both stills and video work, complemented by a rear focus system and advanced AF algorithms for fast acquisition. The rounded seven-blade diaphragm produces pleasing bokeh quality for selective focus techniques. With a minimum focus distance of 30 centimeters and maximum magnification of 0.18x, this lens is well-suited for versatile walk-around shooting and casual documentation.
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