- 光圈值(F值) = 镜头的焦距/ 镜头有效孔径的直径.?
- F值越小,表示光圈越大,镜头的通光孔径也越大,进入镜头的光线就越多.?
- F值越大,表示光圈越小,镜头的通光孔径也越小,进入镜头的光线就越少.?
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多少懂一点比较好,现在手机有很大变焦,如何善用效果也不一样
-zhuangqiushui-
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08/15/2025 postreply
17:37:10
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