佳能用于空间视频录制的全新立体 RF-S7.8mm F4 STM DUAL 相机镜头最近开始接受预订。 在美国，该产品的定价为 449.99 美元，预计将于 11 月中旬交付。苹果和佳能在 6 月份的 WWDC 上宣布了这款镜头。该镜头可安装在佳能的 ...

China's Ministry of Finance is poised to introduce a comprehensive package of targeted new policy measures soon, focused on stabilizing growth, expanding domestic demand and mitigating risks. The ...

E&I Creation Co has announced the SG-image 50mm f/1.8 Funtom, calling it: "An innovative interchangeable lens featuring the ...

IT之家 10 月 27 日消息，美科 AF 55mm F1.8 Pro 全画幅镜头现已在京东开售，首发价 1499 元。 这款镜头属于美科 Pro 系列镜头产品线，重约 364 克，最近对焦距离 0.55 米，具备 58mm 滤镜，首发提供索尼 E ...

The answer is a photochromic lens and ekoï have taken it a step further with their E-LENS Electronic glasses. I like photochromic glasses, my ‘normal’ every-day glasses are photochromic and I’ve ...

E*TRADE excels even outside of its $0 commissions, with superb educational resources, portfolio-building tools and a large mutual fund selection. Many, or all, of the products featured on this ...

Left and right Diagram showing how left circularly polarized (LCP) light is converted by the bifocal lens into separated beams of LCP light and right circularly polarized (RCP) light. (Courtesy: Fan ...

“我们要建成的教育强国，是中国特色社会主义教育强国，应当具有强大的思政引领力、人才竞争力、科技支撑力、民生保障力、社会协同力、国际影响力，为以中国式现代化全面推进强国建设、民族复兴伟业提供有力支撑。”习近平总书记在全国教育大会的 ...

A satellite group is launched aboard a modified Long March 6 carrier rocket from the Taiyuan Satellite Launch Center in North China's Shanxi province, Oct 15, 2024. The satellite group was launched at ...

Canon is set to expand its RF-mount lens line up with three new 'hybrid' lenses for its mirrorless cameras. In a teaser, the camera giant posted a picture (above) of its two existing hybrid lenses ...

Canon has announced plans to introduce new lenses to its hybrid RF-L series on October 30. No additional details were provided. Recent Videos However, a teaser photo released with the announcement ...

（法新社华盛顿14日电） 美国今天谴责中国在台湾周边展开军事演习，直指此举「毫无根据，并有引发局势升级的风险」，呼吁北京保持克制。 美国 ...