[Ernest Tang]

眾所週知日本本土用既嘢質素方面比出口貨好，咁樣日本本土賣既鏡頭質素又係咪比出口貨既好呢? 唔知道有冇師兄曾經係日本買過鏡頭，可唔可以分享吓經驗呢?

[tam_dominic]

"眾所週知日本本土用既嘢質素方面比出口貨好..."
==> It is said that they test early models locally then fine tune and export to other countries. That is why some new model can only be found in Japan.