IT之家1 月 22 日消息，星曜光学今日推出了第三代 MF 50mm F1.4 镜头，这是一款 APS-C 画幅镜头，定价 559 元，1 月 22 日~2 月 4 日首发价 539 元。 该镜头采用双高斯结构，5 组 6 片的光学结构，其中包含 1 片 ED 镜片和 1 片高折射率镜片。 该镜头采用有级光圈，配有 9 ...

I recently tested out Milwaukee’s M12 Gen II Stubby 1/2-inch-drive impact wrench. The size-to-power ratio absolutely blew my mind. It’s extraordinarily powerful for its size, yet small and ...

The Lancet report suggests that another metric is far more useful when determining a patient’s overall health: the amount of belly fat they have. The report’s authors note that attaining ...