17-55 f2.8 IS 本來就沒贏A16了可以比較一下,在畫質上沒佔便宜,贏的是對焦速度跟IShttp://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=398&Camera=474&Sample=0&FLI=0&API=0&LensComp=400&CameraComp=474&SampleComp=0&FLIComp=0&APIComp=0
24-70mm F2.8L看起來還是畫質還是比較好,L頭還是優。http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?FLI=0&API=0&Sample=0&FLIComp=0&APIComp=0&LensComp=400&CameraComp=474&SampleComp=0&Lens=101