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导读 ：实际体验过投影产品的朋友一定会知道 ，调整投影画面的第一步就是对焦 。对焦 ，从本质上来说是镜头的合焦过程 。只有在画面成功合焦的情况下 ，用户才能观察到清晰 、锐利的画面 。手动PK电动解析投影机三大对焦方相关阅读换一换
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