本帖最後由 raisin 於 2015-3-25 11:34 編輯
如果光源的色溫好低(鈉光燈果D), D skin color會好難搞, 要落閃.
如果測光同白平衡set 得好, 加少少WB shi ...
calvin83 發表於 25-3-2015 11:26 
街燈... 因為真係純色光, 點拉都拉唔返其他色出黎... @@
These lamps produce a virtually monochromatic light averaging a 589.3 nm wavelength (actually two dominant spectral lines very close together at 589.0 and 589.6 nm). As a result, the colors of illuminated objects are not easily distinguished because they are seen almost entirely by their reflection of this narrow bandwidth yellow light.
http://en.wikipedia.org/wiki/Sodium-vapor_lamp |