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众所周知，目前我国生产的３５ｍｍ单反相机中，最流行的两种镜头卡口分别是以早期ＭＦ时代的美能达为代表的ＭＤ镜头卡口及以宾得为代表的ＰＫ镜头卡口。可以说，海鸥ＤＦ系列及后来之衍生出来的珠江Ｓ－２０１、孔雀ＤＦ等单反机是计划经济时代以当时的日本美能达相机为蓝本
As we all know, the current production of 35mm SLR camera, the two most popular lens mount are the early MF era of the MIN representative of the MD lens mount and Pentax as the representative of the PK lens mount. It can be said that the seagull DF series and later derived from the Pearl River S-201, peacock DF and other SLR is the planned economy era with the then Japan’s Minolta camera modeled