Nikon AF-S DX Nikkor 17-55mm F/2.8G IF-ED (2003) Nikon AF-S NIKKOR 17-55mm 1:2.8G ED DX (2003) Lens construction:14 elements in 10 groups Filters:Screw-type 77mm Cleaning 清潔 1. Lens Cleaning 抹鏡清潔 $780起 抹鏡常見於:鏡片出現Mildew發霉、Haze起霞 / 霧 / 朦朧、Dust塵 Adjustment 調校 / Abnormal 故障 / Replace 更換 2.