|
标准光源 |
定义 |
|
A |
Artificial illuminant such as a tungsten lamp at a color
temperature of 2880°K |
|
B |
Noon sunlight at 4874° K |
|
C |
Average daylight (overcast sky) at 6774° K |
|
D50 |
Typical bright daylight (overcast sky) at 5000° K |
|
D55 |
Typical bright daylight (overcast sky) at 5500° K |
|
D65 |
Typical bright daylight (overcast sky) at 6500° K |
|
D75 |
Typical bright daylight (overcast sky) at 7500° K |
|
F2 |
Cool white fluorescent lamp at 4200° K |
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