The SWM ensures smooth, discrete auto focusing and the non rotating front element enables the use of lens mounted flash accessories like the SB-R1C1 Macro Lighting kit.

 
  • SWM带来流畅,离散自动对焦和非旋转式前元素使镜片安装使用闪光灯配件一样了SB - R1C1宏照明套件。
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