1 foot-lambert = 3.43cd/m²
14 foot-lamberts = 48.02cd/m² 14 foot-lamberts = 48.02cd/m²
16 foot-lamberts = 54.88cd/m² 16 foot-lamberts = 54.88cd/m²
35 foot lamberts = 120cd/m² 35 foot lamberts = 120cd/m²
电影放映机亮度规范 – 16 foot lamberts 片门开启(无胶卷状态)电影放映机亮度规范 – 16 foot lamberts 片门开启(无胶卷状态)
电影放映机亮度规范 – 14 foot lamberts 带胶卷D-Min电影放映机亮度规范 – 14 foot lamberts 带胶卷D-Min
SMPTE 屏幕亮度规范= 35 foot lamberts SMPTE 萤幕亮度规范= 35 foot lamberts
平方公尺烛光(candela per square meter "cd/m²")是标准亮度单位‧
(在美国亦称为Nits , 源自于拉丁文的"nitere" 表示发光光亮的意思(to shine)). (在美国亦称为Nits , 源自于拉丁文的"nitere" 表示发光光亮的意思(to shine)).
以下是一些旧式亮度单位:以下是一些旧式亮度单位:
Apostilb (deprecated) 1 asb = 1/pi cd/m² Apostilb (deprecated) 1 asb = 1/pi cd/m²
Blondel (deprecated) 1 blondel = 1/pi cd/m² Blondel (deprecated) 1 blondel = 1/pi cd/m²
平方英呎烛光(Candela per square foot) 1 cd/ft2 = 10.764 cd/m²平方英呎烛光(Candela per square foot) 1 cd/ft2 = 10.764 cd/m²
平方英吋烛光(Candela per square inch) 1 cd/in2 = 1550 cd/m²平方英吋烛光(Candela per square inch) 1 cd/in2 = 1550 cd/m²
英呎朗伯Footlambert (deprecated) 1 fL = 3.426 cd/m²英呎朗伯Footlambert (deprecated) 1 fL = 3.426 cd/m²
Lambert (deprecated) 1 L = 104/pi cd/m² Lambert (deprecated) 1 L = 104/pi cd/m²
Nit 1 nit = 1 cd/m² Nit 1 nit = 1 cd/m²
Skot (deprecated) 1 skot = 10-3/pi cd/m2 Skot (deprecated) 1 skot = 10-3/pi cd/m2
Stilb (deprecated) 1 sb = 10’000 cd/m² Stilb (deprecated) 1 sb = 10’000 cd/m²
典型亮度值:典型亮度值:
1.6 * 10 9 cd/m² 正午太阳表面亮度(请用仪器测量不可目视!)
600’000 cd/m2 地平线太阳表面亮度
120’000 cd/m2 60瓦雾状灯泡
11’000 cd/m2 T8 日光灯管
8’000 cd/m2 晴朗天空均值
2’500 cd/m2 月球表面
2’000 cd/m2 多云天空均值
30 cd/m2 绿色场致发光灯片(electroluminescent)光源
0.0004 cd/m2 黑暗夜晚天空