Standard Lens , Zoom at M (10)
Distance (m.) 10 20 30 40 50
Cutoff 1.8 3.5 5.3 7.0 8.8
1/2 peak 1.5 3.0 4.5 6.0 7.4
Illuminance (lux) 15330 3832 1703 958 613
 Efficiency
 28%
 Half-peak diameter
 0.15 X distance(m)
 Cutoff diameter
 0.17 X distance(m)
 Illuminance
 1533000 / distance2 (lux)
 Total Output
 23500 (lumens)
IES Data 2002      
 
Standard Lens , Zoom at M (20)
Distance (m.) 4 8 12 16 20
Cutoff 1.4 2.8 4.2 5.6 7.1
1/2 peak 1.3 2.5 3.8 5.1 6.3
Illuminance (lux) 24000 6000 2667 1500 960
 Efficiency
 30%
 Half-peak diameter
 0.32 X distance(m)
 Cutoff diameter
 0.35 X distance(m)
 Illuminance
 384000 / distance2 (lux)
 Total Output
 25700 (lumens)
IES Data 2002      
 
Standard Lens , Zoom at M (44)
Distance (m.) 2 4 6 8 10
Cutoff 1.6 3.2 4.9 6.5 8.1
1/2 peak 1.4 2.8 4.3 5.7 7.1
Illuminance (lux) 20750 5188 2306 1297 830
 Efficiency
 31%
 Half-peak diameter
 0.71 X distance(m)
 Cutoff diameter
 0.81 X distance(m)
 Illuminance
 83000 / distance2 (lux)
 Total Output
 26000 (lumens)
IES Data 2002