一般情况下,我们在拍照时会尽可能地选择较低的感光度,因为高感光度会造成较多的噪点,影响照片的画质。但有些时候,只有选择高ISO才可以完成拍摄。捕捉高速运动物体瞬间一般在拍摄足球、短跑比赛、飞行中的鸟类等运动速度较快的主体时,需要较高的快门速度才可以拍出清晰的照片。此时,如果选择大光圈,景深会很浅, Under normal circumstances, we will try to choose a lower sensitivity when taking pictures, because high sensitivity will cause more noise, affecting the picture quality. But sometimes, only the choice of high ISO can be completed shooting. Capturing high-speed moving objects In general, when shooting fast-moving subjects such as soccer balls, dash racing, flying birds, etc., you need a high shutter speed to take a clear picture. At this point, if you choose a large aperture, the depth of field will be very shallow,