Barco BARCOIQ GRAPHICS 200L, Owner'S Manual, Page: 19 / 125

2. Installation Guidelines
2.4 Lenses
Overview
• Lenses
• Lens formulas
• Lens installation
• Removing the lens
• Cleaning the lens
2.4.1 Lenses
Available lenses
The following lenses are available, or will become available (contact a BARCO service center) as an option :
Lenses
Standard version
QVD(0.85:1) R9841220
QVD(1.3-1.8:1)
R9840950
QVD(1.9-2.6:1) R9840960
QVD(3.0-6.0:1) R9840970
QVD(7:1) R9841230
SVD(2.0-2.5:1) R9841240
2.4.2 Lens formulas
Formulas
Metric Formulas (meter) Inch formulas (inch)
QVD(0.85:1) PD = -0.034 + 0.863 x SW + 0.008 /SW PD = -1.34 + 0.863 x SW + 12.4 /SW
QVD(1.3-1.8:1) PDmin = 0.019 + 1. 0.026/SW
PDmax = -0.001 + 1. 0.069/SW
PDmin = 0.75 + 1. 40.3/SW
PDmax = -0.04 + 1. 107/SW
QVD(1.9-2.6:1) PDmin = 0.052 + 1.864xSW - 0.013/SW
PDmax = 0.110 + 2.509xSW - 0.055/SW
PDmin = 2.05 + 1.864xSW - 20.15/SW
PDmax = 4.33 + 2.509xSW - 85.25/SW
QVD(3.0-6.0:1) PDmin = 0.048 + 3.010xSW - 0.039/SW
PDmax = 0.060 + 6.032xSW - 0.038/SW
PDmin = 1.89 + 3.01xSW - 60.45/SW
PDmax = 2.36 + 6.032xSW - 58.25/SW
QVD(7:1) PD = 0.013 + 6. 0.005/SW PD = 0.51 + 6. 7.75/SW
SVD(2.0-2.5:1) PDmin = -0.139 + 1. 0.092/SW
PDmax = 0.005 + 2.395xSW - 0.008/SW
PDmin = -5.47 + 1. 142.60/SW
PDmax = 0.2 + 2.395xSW - 12.4/SW
Lens program to calculate the projector distance is available on the BARCO web site :
http://www.barco.com/projection_systems/customer_services/lens_program.asp
R5976367 BARCOIQ GRAPHICS/REALITY 200L/300/400 10062002 13