Sigma Corporation of America, the US subsidiary of Sigma Corporation (CEO: Kazuto Yamaki. Headquarters: Asao-ku, Kawasaki-shi, ...

When you use DPReview links to buy products, the site may earn a commission. Image: Sigma Sigma has announced the 15mm F1.4 DC APS-C prime, giving a new wide-angle option and bringing a welcome update ...

The Viltrox AF 85mm F1.4 Pro is available for Sony and Nikon and offers unbeatable value — but there's a catch ...

Tim Coleman and the AP team guide you through the best lenses for astrophotography, with options for full-frame, APS-C and Micro Four Thirds. The post Best lenses for astrophotography – galactic glass ...

Background/aims Posterior capsule opacification (PCO) is the most frequent long-term complication after cataract surgery, caused by proliferation of residual lens epithelial cells (LECs). Metformin, a ...

The Sigma 15mm F1.4 DC Contemporary is an attractive prime lens for APS-C camera owners thanks to its small size, fast ...

This study presents valuable findings implicating nuclear export in the regulation of protein condensate behaviour and TDP-43 phase behaviour, suggesting a link to pathogenic aggregation in ALS/FTD.

The Sigma 15mm F1.4 DC Contemporary ($579) isn't a Mark II lens, but it might as well be, as it's the spiritual successor to ...

Sigma has updated one of its key prime lenses, making a 35mm F1.4 that's smaller, lighter and faster than its predecessor. It ...

Sigma Corporation of America, the US subsidiary of Sigma Corporation (CEO: Kazuto Yamaki. Headquarters: Asao-ku, Kawasaki-shi, Kanagawa ...

Sigma’s new year begins with the announcement of two new lenses, the 35mm f/1.4 DG II Art Lens for Sony E and L-mount full-frame cameras and the 15mm f/1.4 DC Contemporary Lens for Sony E, Canon RF, ...

Compact design, f/1.4 speed, and excellent central sharpness are just three of the impressive features of the Sigma 15mm f/1.4 DC Contemporary lens. See what else John Riley has to say about this high ...