第1个回答 2019-03-25
快门对焦的时候,相机的马达会对应工作使得镜头前后伸缩伸缩,伸缩过程中,你就会听到有响声,这是常的过程,不必担心
第2个回答 2019-03-25
相机在默认状态下,半按快门AF对焦时,外变焦镜头应该有拉动,内变焦镜头看不到拉动,但无论镜头有没有拉动,焦点都是清晰的(从不清晰到清晰)
第3个回答 2019-03-25
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