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國外標準光源的定義

編緝：新泰科儀器發(fā)布時間：6-9

國外標準光源的定義：

標準光源

定義

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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標準光源	定義
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