They are unique amongst full-frame cameras, but how do you choose the best lenses for the Sigma fp and Sigma fp L?

Sigma has launched two fast-aperture prime lenses for Canon mirrorless cameras; the 16mm F1.4 DC DN Contemporary and 23mm ...

[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 ...

P hotographers using an APS-C Canon R system body are finally about to have more options for affordable wide lenses, as Sigma ...

Since Leica and Sigma also use the L-mount, it means that Panasonic camera owners have additional flexibility. The lineup lacks some common options, like a 300mm f/2.8 lens, but those may not be ...

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, and the end result is ...

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