lens aperture number

例句：

1. 1.The camera has a lens aperture of f/2.8.
   这台相机的镜头光圈为f/2.8。
2. 2.The photographer adjusted the lens aperture to capture more detail in the scene.
   摄影师调整了镜头光圈以捕捉场景中更多的细节。
3. 3. Lens aperture affects the amount of light that enters the camera.
   镜头光圈影响进入相机的光量。