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 ...

An astro lens needs to offer a wide-angle perspective, not just for capturing as much of the sky as possible, but also for allowing the use of slower shutter speeds without incurring star trails (i.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 ...

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 ...

The best 50mm lens, or nifty fifty, is a great low-cost wide-aperture lens for bokehlicious portraits and for low light When you purchase through links on our site, we may earn an affiliate commission ...

（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 ...