[問題] 請問SIGMA 60mm F2.8DN鏡頭有聲音正常嗎?
請教一下有SIGMA 60mm F2.8 DN ART這顆的朋友
在還沒上電前鏡頭搖動會有"摳龍摳龍"的聲音
但上電後就沒聲音且對焦都OK
這樣是正常的嗎?
謝謝
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