我的相機在上市第一周就買了 這麼久以來都這樣子用~也都沒事~~你說呢? 我想這顆的討論很多啦~~ 而且某本Nikon鏡頭年鑑也提到這顆是可以全時手動的 說明書: "manual focus supported when A-M switch is set to A or M. Focus can be adjusted by rotating lens focusing ring after locking focus in single-servo autofocus. Do not use focusing ring while camera is focusing"