壓光

_IGP2624
source: http://boris.aabyboris.com/2008/01/blog-post_7791.html
其實壓光不是什麼特別的技法,它通常都用在人像攝影。穿說了,只不過是透過控制快門來讓現場背景的曝光 Under 一點,配合閃燈讓人物打得曝光正常吧了。「光圈控制景深,快門控制背景」是不變的定率。視乎背景曝光不足多少,壓光可以讓天空變得深藍 (如上圖),讓背景顏色變得濃郁,甚至把大白天壓成黃昏黑夜的感覺! 像這張背景曝光正常的:

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