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 ...

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

That's why we have rounded up our favourite lenses for astrophotography, all wide-angle lenses designed to let in as much light as possible ... overall The Sigma 14mm f/1.4 DG DN Art lens is ...

Sigma announces availability of 16 and 23mm primes for Canon RF - but still nothing for full frame The post More Sigma lenses ...

Both lenses offer popular focal lengths with fast f/1.4 apertures, ideal for working in low light and for creating shallow depth of field portraits – I personally relied on a 35mm f/1.4 Sigma ...

They’ve often got a whole bunch of electronics built in as well. [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.

It is virtually impossible to create any artefacts, no matter what angle the light source is aimed at. Chromatic aberration (CA) is the lens' inability to focus on the sensor or film all colours ...

Chromatic aberration (CA) is the lens' inability to focus on the sensor or film all colours of visible light at the same point. Severe chromatic aberration gives a noticeable fringing or a halo ...

The TTArtisan AF 23mm F1.8 joins the company's growing lineup of fast and affordable prime lenses for APS-C users.

For the most part in the lens world, we have an increasing buffet of options for most lens mounts. An autofocus anamorphic ...