wonly wrote:這真是令人驚訝! ...(恕刪) 看看參考下http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?CameraComp=0&FLIComp=0&APIComp=0&Lens=679&Camera=474&Sample=0&FLI=0&API=0&LensComp=455
sonylinb wrote:我覺得不能用T牌F...(恕刪) 大大我上面貼的是跟18-55 IS kit比較的您可以自行選擇跟Sigma 18-50 F2.8比較就會發現 S18-50的大口徑帶給他邊緣較優異了!
溫溫先生 wrote:您可以自行選擇跟Sigma 18-50 F2.8比較就會發現 S18-50的大口徑帶給他邊緣較優異了! 邊緣畫質只有在18mm和50mm這兩個焦段Sigma贏Tamron24mm和35mm的Sigma明顯劣於Tamron光圈全開中央畫質甭提了當然是Tamron比較好, 好很多24mmhttp://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=400&Camera=396&Sample=0&FLI=1&API=0&LensComp=401&CameraComp=396&SampleComp=0&FLIComp=1&APIComp=035mmhttp://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=400&Camera=396&Sample=0&FLI=2&API=0&LensComp=401&CameraComp=396&SampleComp=0&FLIComp=2&APIComp=0