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名稱：Sigma 17-50mm F2.8 EX DC OS HSM
分類：廣角及標準變焦
鏡片構成：13群17枚
特殊鏡片：FLD 鏡 x2，
視角：72.4 - 27.9 °
光圈葉片：7
最小光圈：F22
最短拍攝距離：28cm
最大攝影倍率：1:5
濾鏡口徑：77 mm
大小：83mm X 91mm
重量：565g