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28-45mm T2.0 \u81ea\u52a8\u5bf9\u7126\u7535\u5f71\u53d8\u7126\u955c\u5934\u3002<br \/>\u8fd9\u6b3e\u955c\u5934\u517c\u5bb9\u7d22\u5c3c E \u5361\u53e3\u548c\u83b1\u5361 L \u5361\u53e3\uff0c\u65e2\u53ef\u4f5c\u4e3a\u7535\u5f71\u955c\u5934\u4f7f\u7528\uff0c\u53c8\u652f\u6301\u81ea\u52a8\u5bf9\u7126\u529f\u80fd\u3002\u8fd9\u4e3a\u6444\u5f71\u5e08\u548c\u7535\u5f71\u5236\u4f5c\u4eba\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u521b\u4f5c\u81ea\u7531\u5ea6\u3002\u76ee\u524d\uff0cSigma \u4ecd\u5728\u5bf9\u8be5\u955c\u5934\u8fdb\u884c\u4f18\u5316\uff0c\u8ba1\u5212\u4e8e\u4eca\u5e74\u5185\u4e0a\u5e02\u3002<br \/>\u6b64\u5916\uff0cSigma \u8fd8\u5c55\u51fa\u4e86 28-105mm f2.8 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