Barco FLM series

4. About lenses
4.4 Lens formulas for FLM HD projectors
Formulas
Lens
Throw ratio for
FLM HD
Metric formulas (meter) Inch formulas (inch)
TLD (0.8 : 1)
TLD HB (0.8 : 1)
0.7
PD = (0.71 x SW ) + 0.05 PD = (0.71 x SW ) + 1.97
TLD (1.2 : 1)
1.1
PD=(1.03xSW)-0.01 PD = (1.03 x SW ) - 0.39
TLD+(1.2:1)
1.2
PD= (1.14 x SW) + 0.11 PD = (1.14 x SW) + 4.33
TLD(1.6–2.0:1)
TLDHB(1.6–2.0:1)
1.35 – 1.70
PD
min
= (1.36 x SW ) - 0.09
PD
max
= (1.71 x SW ) - 0.13
PD
min
= (1.36 x SW ) - 3.54
PD
max
= (1.71 x SW ) - 5.12
TLD(2.0–2.8:1)
TLDHB(2.0–2.8:1)
1.70 – 2.42
PD
min
= (1.71 x SW ) - 0.17
PD
max
= (242 x SW ) - 0.24
PD
min
= (1.71 x SW ) - 6.69
PD
max
= (2.42 x SW ) - 9.45
TLD(2.8–5.0:1)
TLDHB(2.8–5.0:1)
2.42 – 4.35
PD
min
= (2.38 x SW ) - 0.16
PD
max
= (4.35 x SW ) - 0.38
PD
min
= (2.38 x SW ) - 6.30
PD
max
= (4.35 x SW ) - 14.96
TLD(5.0–8.0:1)
TLDHB(5.0–8.0:1)
4.35 – 6.95
PD
min
= (4.17 x SW ) - 0.01
PD
max
= (6.95 x SW ) - 0.29
PD
min
= (4.17 x SW ) - 0.39
PD
max
= (6.95 x SW ) - 11.42
R59770072 FLM SERIES 19/03/2007 63