Vari Lite VL1000 - Photometric

TECHNICAL SPECIFICATIONS : PHOTOMETRIC
B
02.9663.0001 B 11-Jun-02 73
Photometric
VL1000 ERS - 1000W Tungsten Halogen
(All data taken with a seasoned light source at 20 hours of life.)
* Multiply throw distance by Tn to determine coverage.
To calculate Illuminance (I) at a specific distance (D):
VL1000 ERS - 575W Metal Halide
(All data taken with a seasoned light source at 20 hours of life.)
* Multiply throw distance by Tn to determine coverage.
To calculate Illuminance (I) at a specific distance (D):
FIELD ANGLE
(degrees)
FIELD
DIAMETER
TN*
BEAM
ANGLE
(degrees)
BEAM
DIAMETER
TN*
CANDELA
(cd)
19.0
.335 13.0 0.228 218,000
26.0
.462 19.5 0.344 105,600
36.0
.650 25.5 0.453 58,000
70.0
(Super Zoom)
1.40 29.0 0.517 28,640
I =
cd
D
2
FIELD ANGLE
(degrees)
FIELD
DIAMETER
TN*
BEAM
ANGLE
(degrees)
BEAM
DIAMETER
TN*
CANDELA
(cd)
19.0
.335 13.0 0.228 383,000
26.0
.462 19.5 0.344 185,500
36.0
.650 25.5 0.453 101,900
70.0
(Super Zoom)
1.40 29.0 0.517 50,300
I =
cd
D
2