周五，锂矿概念股走低，截至发稿，Sigma Lithium (SGML.US)跌超9%，Lithium Americas (LAC.US)跌超5%，美国雅保 (ALB.US)跌超6.5%。消息面上，巴西劳工部近日下令关闭Sigma ...

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Even the most proven business tools and approaches must adapt as time goes on, morphing to suit the state of the market and today’s companies. Six Sigma is no exception, with multiple branches, ...

For years, the 135mm focal length has been underserved, which is a downer as it's an excellent choice for portraiture and other shallow depth of field images. Thankfully, the winds of change are ...

“Why you can trust Digital Trends – We have a 20-year history of testing, reviewing, and rating products, services and apps to help you make a sound buying decision. Find out more about how we test ...

A typical corporate network consists of hundreds or thousands of devices generating millions of lines of logs pouring in every minute. What can make it possible, then, for SOC and threat intel ...

Sigma has announced the BF, a new 24.6-megapixel full-frame, mirrorless camera that has a built-in SSD rather than an a CFexpress or SD card slot. The company is known for making lenses and ...

Little short of amazing. Image quality, light transmission and build quality are all huge pluses for the Sigma 14mm F1.8 DG HSM ART. Why you can trust Space.com Our expert reviewers spend hours ...

The Sigma fp has quite an unusual design that's quite unlike any other mirrorless camera currently on the market. In terms of its target audience, the Sigma fp is very much a cine camera first and ...