canon鏡頭串口控制_佳能常規鏡頭和L系列鏡頭有什麼區別，您應該購買哪個

canon鏡頭串口控制 Canon sells regular and L-series lenses (the 「L」 stands for luxury). While the lenses may have similar specs, you can usually except L-series lenses to have better optics, build quality, a

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