同样的锐度下降问题也出现在镜头的长焦段（包括中央的锐度也下降得厉害）。

The same applies to the sharpness in general (including the image center) at the lens' tele setting.

youdao

同样的锐度下降问题也出现在镜头的长焦段（包括中央的锐度也下降得厉害）。

The same applies to the sharpness in general (including the image center) at the lens' tele setting.

youdao