* The appearance and specifications of the products are subject to change. * Sony E-mount lenses are developed, manufactured and sold in accordance with the E-mount specifications licensed under a ...

There must have been a secret memo sent out to the major lens manufacturers that today is the day to launch all of your new ...

Sigma’s newest lenses, the full-frame 35mm f/1.4 DG II Art lens and the 15mm f/1.4 DC Contemporary lens for APS-C cameras.NEW ...

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 ...

For travel photography, I think a lens with a wide field of view is crucial, letting you capture the rolling hills of Tuscany, the frenetic neon and glass canyons of Tokyo, and the tight stone rooms ...

Replay: Do we really need to keep using 35mm as our baseline for focal lengths, or is there a much better way? Why do we keep reading descriptions like ‘3.7 mm to 92.5 mm (equivalent to 28.8 mm to 720 ...

I need an ultra-wide lens for when my standard zoom can't fit it all in the frame – and I’ve found one that I can pretty much fit in a spare pocket ...

Wide-angle lenses for Sony shooters—and everyone else—represent an essential piece of kit in a well-rounded gear bag. Wide-angle lenses provide a broad, sweeping angle of view. They allow you to show ...

I'm trying to figure out how all this stuff relates to one another. Crop factor seems easy enough. If I have a 100mm focal length lens and I put it on my d350, it effectively becomes at 160mm due to ...