换镜头麻烦花时间丢机会,而且容易污染sensor,有了全幅以后,可以把长焦装在原来的APS-C上(有效焦距更长了),全幅的装广角、近焦。物尽其用,不丢机会,保护相机。
换镜头麻烦花时间丢机会,而且容易污染sensor,有了全幅以后,可以把长焦装在原来的APS-C上(有效焦距更长了),全幅的装广角、近焦。物尽其用,不丢机会,保护相机。
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