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Appendix F : Lenses
A-2
5975696 BARCODATA 2100 140798
Appendix F : Lenses
A-2
5975696 BARCODATA 2100 140798
Lens formulas to calculate the projector distance.
SD(1.15:1) Metric PD= 1.079 x SW + 0.2929
Inch PD= 1.079 x SW + 11.53
SD(1.2:1) Metric PD= 1.135 x SW + 0.334
Inch PD= 1.135 x SW +13.15
SD(1.7:1) Metric PD= 1.4304 x SW + 0.4908
Inch PD= 1.4304 x SW + 19.32
QSD(0.8:1) Metric PD= 0.713 x SW + 0.2881 - (0.00328 / SW)
Inch PD= 0.713 x SW + 11.34 - (5.084 / SW)
QSD(1.2:1) Metric PD= 1.1633 x SW + 0.2543 - (0.0875 / SW)
Inch PD= 1.1633 x SW + 10 - (3.58 / SW)
Lens formulas to calculate the projector distance.
SD(1.15:1) Metric PD= 1.079 x SW + 0.2929
Inch PD= 1.079 x SW + 11.53
SD(1.2:1) Metric PD= 1.135 x SW + 0.334
Inch PD= 1.135 x SW +13.15
SD(1.7:1) Metric PD= 1.4304 x SW + 0.4908
Inch PD= 1.4304 x SW + 19.32
QSD(0.8:1) Metric PD= 0.713 x SW + 0.2881 - (0.00328 / SW)
Inch PD= 0.713 x SW + 11.34 - (5.084 / SW)
QSD(1.2:1) Metric PD= 1.1633 x SW + 0.2543 - (0.0875 / SW)
Inch PD= 1.1633 x SW + 10 - (3.58 / SW)