The Sigma sd Quattro is the first mirrorless interchangeable lens camera released to feature a Foveon X3 Direct Image Sensor.
Sports or Contemporary: Which Sigma 150-600mm F5-6.3 Zoom Lens is Right For You?
Sigma offers a pair of hyper-telephoto zoom lenses for full-frame cameras, the 150-600mm F5-6.3 DG OS HSM | Sports and 150-600mm F5-6.3 DG OS HSM | Contemporary. With identical focal length and apertures, and advanced feature sets including Sigma’s exclusive lens customization, these two new zoom lenses share champion DNA. What is the difference between the Sports and Contemporary version of the Sigma 150-600mm zoom lenses?
20mm F1.4 DG HSM | Art: Hands-On Sneak Peek with Image Samples
The Sigma 20mm F1.4 DG HSM | Art is the world’s first full-frame 20mm F1.4 ultra-wide angle lens. It is also the first lens in the Art category to sport an integrated petal-type lens hood to protect its bulbous front…
Sigma Art Lenses for Razor Sharp Detail
Sigma Art lenses are renowned for razor-sharp detail on the focal plane, even at widest apertures.
Sigma 24-35mm F2 DG HSM | Art: Hands-On Sneak Peek
The Sigma 24-35mm F2 DG HSM | Art is the world’s first full-frame zoom lens with a constant F2 maximum aperture, and its 1.45x zoom range manages to bridge three of the most popular wide angle fixed focal lengths for lenses: 24mm, 28mm and 35mm. The zoom range is subtle, but the compositional effects are noticeable as the smooth zoom ring shifts the field of view from 24mm through to 35mm.
Sigma 24mm F1.4 DG HSM | Art: First Look
Patrick Santucci and I had a few days to check out the first sample of the new 24mm F1.4 DG HSM | Art lens to arrive in the US, right before it was shipped off to WPPI for the big…
First Look: Sigma 50mm F1.4 DG HSM | A
The Sigma 50mm F1.4 DG HSM | A lens is simply amazing. This standard field of view, fast-aperture, full-frame, prime lens combines outstanding sharpness, fast autofocus, in a lens that is built with a singular vision on performance.
Geometric and Diffraction MTF Charts: A Clearer Picture for Photographers
Our technical product information has been expanded to now include both Geometric and Diffraction MTF charts for new Sigma lenses. You can take a look at the technical information about the new Sigma 18-200mm F3.5-6.3 DC OS HSM | Contemporary lens on the Sigma Global Vision website to see these graphs plotted as part of the total package of information we share to help photographers understand the performance of our lenses.
The Sigma 18-35mm F1.8 DC HSM | Art for Videographers
Photographers and videographers have been raving about the world’s first constant aperture F1.8 zoom lens, the Sigma 18-35mm F1.8 DC HSM | Art lens since it was originally announced earlier this year, for both its groundbreaking maximum aperture, and its incredible prime-like performance, even wide open at an amazing price. It rocked the charts on DXOMark, besting top-shelf primes at comparable focal lengths, been recognized with a POP Award from PopPhoto.com, and a Gold award from DPReview, among other accolades.
A1 MTF Testing for New Sigma Lenses
On the Sigma Global Vision site, you may read and learn about every aspect of the evolution of Sigma. In this occasional blog series, we discuss aspects of the Global Vision in greater depth.