The lens in question was a Sigma 15-30mm f/3.5-4.5 EX DG, built to work with a Sigma camera using the SA mount. As it turns out, the SA mount is actually based on the Canon EF mount, using the ...

Camera lenses are expensive and if you’re like us, you can easily find really cheap lenses that your camera can’t use. [Sam] has a Canon EOS and ... and an M42 to EF adapter.

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 ...

Our guide to the best Canon RF mount lenses, by Joshua Waller, is here to help you find the perfect glass for your EOS R mirrorless camera. The post Best Canon RF mount lenses in 2025 appeared first ...

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

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 ...

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.