【原理介绍】关于镜头光圈和景深的小知识
<section style="box-sizing: border-box; background-color: rgb(255, 255, 255);"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="box-sizing: border-box;"><p style="box-sizing: border-box;">今天来听小编跟大家唠唠镜头“光圈”和“景深”的小知识。</p></section></section></section><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-top: 10px; margin-bottom: 10px;box-sizing: border-box; "><section class="" style="width: 100%; box-sizing: border-box; background: -webkit-linear-gradient(left, rgb(95, 156, 239), rgba(255, 247, 234, 0)) rgba(174, 81, 81, 0);"><section class="" style="padding: 5px 10px; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="color: rgb(255, 255, 255); font-size: 19.2px; box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">光圈</strong></p></section></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="box-sizing: border-box;"><p style="box-sizing: border-box;">简单地说，光圈就是拍摄时镜头打开的大小，它的作用在于决定镜头的进光量。<span style="letter-spacing: 0px; line-height: 1.45; box-sizing: border-box;">在快门不变的情况下：</span></p><p style="box-sizing: border-box;"><span style="letter-spacing: 0px; line-height: 1.45; box-sizing: border-box;">
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