USM stands for Ultrasonic Autofocus Motor. These lenses offer manual focus override and fast, smooth and comparatively quiet ...

The EF lens was introduced in 1987 as the dedicated lens system for Canon’s EOS autofocus single-lens reflex film camera, debuting simultaneously with the EOS system itself. Since their inception, EF ...

On 5 September 2018, Canon announced a major new product to its line-up: the EOS R full-frame mirrorless. In so doing the Japanese company created a whole new lens line-up: EOS RF. What EOS RF lenses ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 14 years, which has given me a front row seat for the changeover from DSLRs to mirrorless cameras, ...

70-200mm lenses are one of the most sought-after choices in any range of lenses, but full frame f/2.8 models do have the drawback of being big and heavy, as well as expensive. The option of a lower ...

One of the big reasons to pick a camera with a removable lens is the ability to change your perspective, swapping the starter zoom out for a wide, telephoto, or fast aperture lens, all of which offer ...

One of the big reasons to pick a camera with a removable lens is the ability to change your perspective, swapping the starter zoom out for a wide, telephoto, or fast aperture lens, all of which offer ...