Standard Lens , Zoom at M (12)
Distance (m.) 5 10 15 20 25
Cutoff 1.1 2.1 3.2 4.2 5.3
1/2 peak 0.9 1.8 2.8 3.7 4.6
Illuminance (lux) 21280 5320 2364 1330 851
 Efficacy
 21.3 lumens per watt
 Half-peak diameter
 0.18 X distance(m)
 Cutoff diameter
 0.21 X distance(m)
 Illuminance
 532000 / distance2 (lux)
 Total Output
 12700 (lumens)
IES Data 2002      
 
Standard Lens , Zoom at M (24)
Distance (m.) 3 6 9 12 15
Cutoff 1.3 2.6 3.8 5.1 6.4
1/2 peak 1.1 2.1 3.2 4.2 5.3
Illuminance (lux) 16889 4222 1877 1056 676
 Efficacy
 21.3 lumens per watt
 Half-peak diameter
 0.35 X distance(m)
 Cutoff diameter
 0.43 X distance(m)
 Illuminance
 152000 / distance2 (lux)
 Total Output
 12700 (lumens)
IES Data 2002      
 
Standard Lens , Zoom at M (36)
Distance (m.) 2 4 6 8 10
Cutoff 1.3 2.6 3.9 5.2 6.5
1/2 peak 1.0 2.1 3.1 4.1 5.2
Illuminance (lux) 17250 4312 1917 1078 690
 Efficacy
 21.5 lumens per watt
 Half-peak diameter
 0.52 X distance(m)
 Cutoff diameter
 0.65 X distance(m)
 Illuminance
 69000 / distance2 (lux)
 Total Output
 12800 (lumens)
IES Data 2002