you’ll also find a list of other retailers below each lens, so you can find the right deal for you. Best wide-angle EF-mount ...

Prime optics famously offer faster maximum apertures than zoom lenses. This allows photographers to shoot at faster shutter ...

EF-Mount Lens/Full-Frame Format Aperture Range: f/2.8 to f/22 One Super UD Element, Two UD Elements Three Aspherical Elements ...

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 ...

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.