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http://www.dchome.net/viewthread.php?tid=884925&extra=page%3D1&page=1
"Nikon 24-70mm at 55mm 時有漏光問題


已借Nikon customer services 2支鏡都有同樣問題, Nikon 技術部說可以修正.
Test details as below :
Keep the lens cap cover the lens
Lens zoom at 55mm / 8sec / f/8 / iso800
Use flash light to shoot on distance scale windows, then you will see the result."
我有一支N24-7,但沒有FX機.......有朋友說DX的成像圈看不出來......
我自己試過把鏡頭蓋蓋上,用F8, 曝10秒,用SB900+電筒對著 distance scale windows照.......試了24, 35, 50, 55, 70mm 都沒發現問題。但我的是DX機......可能看不出問題....所以請各位大大幫忙試試看.......
該討論發現有問題的N24-70 SN是398152 bought at Dec/2009
而本人的是433296 bought at April/2010