NEX7的兩千四百萬畫素對鏡頭應該是極大的考驗
有個米國人做了一些鏡頭的測試，結果蠻有意思的
http://0rz.tw/D2ozp
【光圈全開】
Lens Max Avg
Sony 16mm f/2.8 665 490
Sigma 19mm f/2.8 870 740
Sony 24mm f/1.8 740 590
Sony 18-200 f/4 855 680
Sony 18-55 f/4 855 640
Sony 30mm f/3.5 940 725
Sigma 30mm f/2.8 985 805
Sony 50mm f/1.8 675 602
Leica 50mm f/1.4 627 545
【光圈@F2.8】
Lens Max Avg
Sony 16mm f/2.8 665 490
Sigma 19mm f/2.8 870 740
Sony 24mm f/2.8 960 735
Sony 18-200 f/4 855 680
Sony 18-55 f/4 855 640
Sony 30mm f/3.5 940 725
Sigma 30mm f/2.8 985 805
Sony 50mm f/2.8 806 732
Leica 50mm f/2.8 920 730
【光圈@F4】
Lens Max Avg
Sony 16mm f/4 915 646
Sigma 19mm f/4 920 765
Sony 24mm f/4 1000 795
Sony 18-200 f/4 855 680
Sony 18-55 f/4 855 640
Sony 30mm f/4 940 725
Sigma 30mm f/4 1040 840
Sony 50mm f/4 885 835
Leica 50mm f/4 1020 870
對比之下，可以發現Sigma那顆的CP值超高！
菜頭 24mm F1.8好像有點....
不過總的來說，NEX愈來愈多好鏡頭了，SIGMA真是不錯...
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