2019.5.3早上6时到东三环农展馆9号馆北侧拍戴胜鸟，鸟巢因角度问题没光。张 <h3>M档</h3><h3>光圈:4.5-7.1</h3><h3>快门:320-1600</h3><h3>感光度:500-4000</h3>