description Canon EF 50mm f/1.4 USM Lens Overview
The Canon EF 50mm f/1.4 USM is a standard prime lens for Canon EOS single-lens reflex cameras. Released in 1993, it offers a fast maximum aperture of f/1.4, making it suitable for low-light photography and achieving shallow depth of field effects. It features a ring-type Ultrasonic Motor (USM) for fast and quiet autofocus operation, including full-time manual focus override. The lens is compatible with Canon's full-frame and APS-C camera bodies.
help Canon EF 50mm f/1.4 USM Lens FAQ
What cameras are compatible with the Canon EF 50mm f/1.4 USM?
It uses Canon's EF mount, so it is designed for Canon EOS SLR cameras with EF compatibility. On Canon APS-C cameras, its 50mm focal length gives a narrower field of view than on full-frame models.
Why is the f/1.4 aperture useful for portraits and low light?
The f/1.4 maximum aperture lets in more light than slower standard lenses and can produce a shallow depth of field. That makes it useful for portraits and indoor photography.
When was the Canon EF 50mm f/1.4 USM released?
Canon introduced the lens in 1993. It became a long-running standard prime in the Canon EOS system because it combined a 50mm focal length with a relatively fast f/1.4 aperture.
Does the lens have autofocus?
Yes. The Canon EF 50mm f/1.4 USM includes an ultrasonic autofocus motor and also provides a manual-focus ring for direct adjustment.
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