Foot Candles at 10' away |
Lux at 3m away |
|||||||||
CCT |
Q25R2 |
Q50R2 |
Q100R2 |
RR50 |
RR100 |
Q25R2 |
Q50R2 |
Q100R2 |
RR50 |
RR100 |
1750 |
2.70 |
6.10 |
8.40 |
5.06 |
9.83 |
28.1 |
63.6 |
87.6 |
52.8 |
102 |
2000 |
2.90 |
6.55 |
9.02 |
5.44 |
10.6 |
30.2 |
68.3 |
94.1 |
56.7 |
110 |
2800 |
3.21 |
7.26 |
10.0 |
6.02 |
11.7 |
33.5 |
75.7 |
104 |
62.8 |
122 |
3200 |
3.33 |
7.53 |
10.4 |
6.25 |
12.1 |
34.7 |
78.6 |
108 |
65.2 |
127 |
4300 |
3.62 |
8.19 |
11.3 |
6.80 |
13.2 |
37.7 |
85.4 |
118 |
70.9 |
138 |
5600 |
3.90 |
8.83 |
12.2 |
7.33 |
14.2 |
40.7 |
92.1 |
127 |
76.4 |
148 |
6500 |
3.99 |
9.02 |
12.4 |
7.49 |
14.5 |
41.6 |
94.1 |
130 |
78.1 |
152 |
10000 |
3.67 |
8.31 |
11.4 |
6.90 |
13.4 |
38.3 |
86.7 |
119 |
71.9 |
140 |
Photometric calculation formula
To calculate the incident illuminance at any distance greater than a fixtureβs length, use the appropriate formula to the left that matches your measurement units.