Illuminance is the total luminous flux incident on a surface per unit area. It is measured in lux (lx).
1 br = 0 ph
1 ph = 10,000 br
Example:
Convert 15 Brightness to Phot:
15 br = 0.002 ph
Brightness | Phot |
---|---|
0.01 br | 1.0000e-6 ph |
0.1 br | 1.0000e-5 ph |
1 br | 0 ph |
2 br | 0 ph |
3 br | 0 ph |
5 br | 0.001 ph |
10 br | 0.001 ph |
20 br | 0.002 ph |
30 br | 0.003 ph |
40 br | 0.004 ph |
50 br | 0.005 ph |
60 br | 0.006 ph |
70 br | 0.007 ph |
80 br | 0.008 ph |
90 br | 0.009 ph |
100 br | 0.01 ph |
250 br | 0.025 ph |
500 br | 0.05 ph |
750 br | 0.075 ph |
1000 br | 0.1 ph |
10000 br | 1 ph |
100000 br | 10 ph |