The EF-mount covers lenses that fit the best Canon EOS DSLRs, which even in this age of mirrorless remain some of the most popular cameras around. We’re here to help you get the most out of ...

High magnification, compact and lightweight EF-S telephoto zoom lens with Image Stabilization for up to 3.5 equivalent stops of shake correction. Based on CIPA (Camera & Imaging Products ...

The best EF-mount zoom lenses mean that you and your Canon DSLR are prepared for any eventuality. Allowing you to cover a ...

Canon has announced an RF-mount version of its 75-300mm F4.0-5.6 tele zoom, based on the most recent EF-mount version. Though ...

[Dan K] had just such a lens from Sigma, but wanted to get it working fully with a camera using the Canon EF lens fitting. Hacking ensued. The lens in question was a Sigma 15-30mm f/3.5-4.5 EX DG ...

In summary, the Canon EF 400mm f/2.8L IS III USM lens is a superb performer. You can view additional images in the Equipment Database, where you can add your own review, photos and product ratings.

[Dan K] had just such a lens from Sigma, but wanted to get it working fully with a camera using the Canon EF lens fitting. Hacking ensued. The lens in question was a Sigma 15-30mm f/3.5-4.5 EX DG ...

Canon has previously been able to reduce the size and weight of certain DSLR lenses when making them afresh for mirrorless, such as the 10-20mm F4L IS STM, which was half the weight of the EF 11 ...

The Canon RF 75-300mm f/4-5.6 is only slightly more than the company's budget nifty fifty, although US pricing hasn't been ...

Canon is reissuing an old lens for the RF mount, Sigma's Supertele is finally making an appearance, and "Content Credentials" are available to almost everyone.

So he set out to build a custom EF mount -- Canon's standard lens mount -- with the help of a 3D printer. The particulars of how he built something with the right fit get fairly technical if you ...

The taller the column, the better the lens performance. CA (Chromatic Aberration) is measured with any in-camera corrections switched off, as far as we can know anyway. Centrally, there is ...