Barco SIM 7Q HB - Lens Formulas; Projection Distance (PD) and Screen Width (SW)

4. Installation
4.5.2 Lens formulas
Projection Distance
The Projection Distance or PD is the perpendicular distance between the screen and the reference point on the projector, expressed
inmeterorinch.
PD sw
Ref.
Image 4-8
Projection Distance (PD) and Screen Width (SW)
Screen width
The Screen Width or SW is the total width of the image as it is projected on the screen, expressed in meter or inch.
Formulas
Lens Zoom status
Metric formulas (meter) Inch formulas (inch)
QSD (0.8:1)
-
PD = 0.0679 + 0.803 x SW -
0.0121/SW
PD = 2.673228 + 0.803 x SW -
18.755/SW
WA (Wide Angle) PD
min
= 0.0299 + 1.026 x SW +
0.0047/SW
PD
min
= 1.177165 + 1.026 x SW +
7.285015/SW
QSD (1.0–1.4:1)
TP (Telephoto) PD
max
= 0.0341 + 1.434 x SW +
0.0030/SW
PD
max
= 1.34252 + 1.434 x SW +
4.650009/SW
WA (Wide Angle) PD
min
= -0.0858 + 1.471 x SW +
0.0077/SW
PD
min
= -3.37795 + 1.471 x SW +
11.93502/SW
QSD (1.4–2.0:1)
TP (Telephoto) PD
max
= -0.0013 + 2.031 x SW -
0.0606/SW
PD
max
= -0.05118 + 2.031 x SW -
93.9302/SW
24 R59770066 SIM 7Q SERIES 07/10/2013