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3-3
Installation Guidelines
5976367 BARCO IQ-G300 19092001
100% OFF-Axis installation
ON-Axis installation
Lenses
Which lens has to be selected.
1
Determine the required screen width.
2
Determine the approximate position of the projector in the projection room with regard to the screen and measure the
projector-screen distance (PD).
3
Use the lens formulas on next page to find the best corresponding PD with regard to the measured projector-screen distance
for the required screen width.
The desired lens is determined.
Available lenses
The projector is supplied without lens.
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
Screen
PD
B
Floor
Projector
CD
A’
CD = B - A’ + SH/2
SH
Optical axis projection lens
SH
SW
SIDE VIEW
BACK VIEW
Screen
TOP VIEW
SW
Floor
Screen
PD
B
Floor
Projector
CD
A
CD = B - A
SH
Optical axis projection lens
SH
SW
SIDE VIEW
BACK VIEW
Screen
TOP VIEW
SW
Floor