VICCHEN2006 wrote:
畫面比較飽和跟偏紅有什麼關係? 不知Olympus的照片就算不偏紅, 測光對了, 畫面也一樣飽和....
+1
白平衡跟飽和度是兩套概念吧
美利達大所謂的"感覺比較飽和",應該是單指紅色的飽和度吧
但所謂的飽和,據字典說
Definition of "color saturation"
Color saturation refers to how vivid and intense a color is. For example, a display with poor color saturation will look washed out or faded. When a color's saturation level is reduced to 0, it becomes a shade of gray.
所以,飽和度是所有色頻(RGB)的濃度,而藍綠飽和度高就是O家的發色特點
而白平衡...
Definition of "white balance"
White balance is a camera setting that adjusts for lighting in order to make white objects appear white in photos. This is more difficult than it might seem due to the fact that light cast from different sources is different in color (technically called temperature). That is to say, light is rarely truly white in nature. The light from an incandescent or halogen bulb, for example, is red/orange in color, while that from the sun is relatively blue. A proper white balance setting in a camera will prevent, for example, a white bed sheet in a photo from appearing orange in color when it is being illuminated by a candle.
就是由於光的溫度的差別,以致相機捕捉到的顏色偏紅/偏藍的現像,所以調整白平衡就是告訴相機應該向紅/藍頻度偏移多少,以補償現場色溫與攝錄色溫的差別
我個人是覺得,根據這些定義,O家拍出來的照片偏紅,應該是白平衡沒調準的關係,跟飽和度無關(因為藍綠為主的風景照也可以很飽和);而C家的照片偏淡,是甚麼原因我就不得而知了。大概是因為相機內預設的RGB曲線設定吧?
亂入定義完畢,大大請繼續吧~~
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