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82问答网 > 佳能80d的全部对焦点兼容f5.6，对焦点27点兼容f8，怎么理解

佳能80d的全部对焦点兼容f5.6，对焦点27点兼容f8，怎么理解

2025-03-28 16:05:10

推荐回答（2个）

回答1：

就是说，在光圈5.6，全部对焦点都是可用的，当然，大于5.6也没问题；在光圈8，只有27点可用，其余的都会由于进光太少而失效。

回答2：

当镜头的最小光圈达到F5.6的时候，所有对焦点都可以自动对焦
当光圈再小的时候，只有那27个对焦点可以自动对焦，最小能达到F8
当光圈比F8更小的时候，所有对焦点都不能自动对焦了

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