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

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

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

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

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 ...

It retains the typically compact and lightweight build of this class of lens, but kicks off the zoom range at a completely standard 50mm instead of 70mm focal length. Going one better than trinity ...

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.

Earlier this year we reported that Canon had given Sigma the green light to manufacture a series of APS-C Canon RF lenses, a sign that Canon was easing its stranglehold on the RF mount.

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

fashion and indoor sports where light levels are low. The optical configuration consists ... Incorporating a new optical design for the shorter register of mirrorless cameras, the Sigma 50mm F1.4 DG ...

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 ...