What are the values of white balance?
Commonly used reference values are as follows:
A color temperature value of direct light at different times: direct sunlight
Color temperature value (k)
Noon sunshine 5500
Two hours after sunrise, 4400
Two hours before sunset, 4300
4000 an hour and a half after sunrise
40 minutes after sunrise, 29 o'clock
30 minutes after sunrise, 2400
30 minutes before sunset, 2300
20 minutes after sunrise 2 100
Sunrise. At sunset 1900
B. Color temperature values of natural light in different seasons and weather conditions:
Changes of natural light March-May 6-August 9 -65438+ 101-65438+February
Direct sunlight 9- 15 hours 5800 5800 5550 5500
Direct dial before 9: 00 15: 00 and direct dial 5400 5600 5000 4900.
Sunshine+skylight 9- 15: 00 6500 6200 6200
Sunshine+sky before 9 15 after 6 100 6200 5900 5700
Sunshine+skylight 5900 5800 5900 5700
Cloudy day 6700 6950 6750 6500
Blue sky 27000140001200012000
C color temperature values of common artificial light sources:
Types of light sources
Color temperature value
Electronic Flash 5300-6000
1000-5000W halogen lamp 5000-6000
High color temperature carbon arc lamp 5500
White carbon arc lamp 5000
500W high color temperature photographic lamp 3200
500W photographic floodlight 3400
Photographic halogen lamp 3000-4000
1300W news iodine tungsten lamp 3200
200W ordinary light cannon 2980
100W Ordinary light bulb 2900
75W ordinary light bulb 2800
40W ordinary light bulb 2650
Candle lamp 1850