照明是每单位区域表面上的总发光通量。它以Lux(LX)为单位。
1 pm = 0 ph
1 ph = 10,000 pm
例子:
将15 光度测量转换为光:
15 pm = 0.002 ph
| 光度测量 | 光 |
|---|---|
| 0.01 pm | 1.0000e-6 ph |
| 0.1 pm | 1.0000e-5 ph |
| 1 pm | 0 ph |
| 2 pm | 0 ph |
| 3 pm | 0 ph |
| 5 pm | 0.001 ph |
| 10 pm | 0.001 ph |
| 20 pm | 0.002 ph |
| 30 pm | 0.003 ph |
| 40 pm | 0.004 ph |
| 50 pm | 0.005 ph |
| 60 pm | 0.006 ph |
| 70 pm | 0.007 ph |
| 80 pm | 0.008 ph |
| 90 pm | 0.009 ph |
| 100 pm | 0.01 ph |
| 250 pm | 0.025 ph |
| 500 pm | 0.05 ph |
| 750 pm | 0.075 ph |
| 1000 pm | 0.1 ph |
| 10000 pm | 1 ph |
| 100000 pm | 10 ph |