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>愈小的感光器景深愈深，即愈難表現出散景的效果。感光面積越小, 景深越淺, 因為對固定尺寸的照片面積來看, 感光面積小的放大倍率越大, 模糊圈也越大, 因此景深是變淺了....只是在數位相機上, 感光面積小, 相同視角所使用的鏡頭是要越廣, 越廣的鏡頭導致景深變深, 鏡頭在景深的影響力大於感光面積, 導致我們誤以為感光面積小, 景深變深了~~~~
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Reader Comments (Page 1 of 1)
阿信 @ Jun 18th 2009 10:26PM
>愈小的感光器景深愈深，即愈難表現出散景的效果。
感光面積越小, 景深越淺, 因為對固定尺寸的照片面積來看, 感光面積小的放大倍率越大, 模糊圈也越大, 因此景深是變淺了....
只是在數位相機上, 感光面積小, 相同視角所使用的鏡頭是要越廣, 越廣的鏡頭導致景深變深, 鏡頭在景深的影響力大於感光面積, 導致我們誤以為感光面積小, 景深變深了~~~~