佳能和尼康是主要競爭對手。在數碼相機這一行裏，特別是利潤高的單反

來源: mark_x 於 2012-09-16 05:44:39 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.