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景深表尺
Apr 28th 2014, 16:48

中間那條線是你的對焦點,刻度下面所對應的距離"A"是指離相機CMOS "A"這麼遠的地方在相機成像上會是最清楚的,那中線旁邊的刻度就是泛焦範圍(可被接受成像品質的範圍),範圍的決定就是由光圈大小來主導,所以光圈越小(數值越大)泛焦範圍越大,所以你說的3公尺到無限遠是沒錯的,只是是從CMOS開始算

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