Barco R9001330 owner manual Lens formulas to calculate the projector distance, Appendix F Lenses

Appendix F : Lenses

Lens formulas to calculate the projector distance.

HD(1.2:1)	Metric	PD=1.264 x SW + 0.126 + (0.018/SW)
	Inch	PD= 1.264 x SW + 4.961 + (27.90/SW)
HD(2.2:1)	Metric	PD=2.0566 x SW + 0.16 + (0.029/SW)
	Inch	PD=2.0566 x SW + 6.299 + (44.95/SW)
HD(3.3:1)	Metric	PD=3.33 x SW + 0.386 + (0.046/SW)
	Inch	PD=3.33 x SW + 15.19 + (71.30/SW)
HD(4.0:1)	Metric	PD=4.02 x SW + 0.50 + (0.06/SW)
	Inch	PD=4.02 x SW + 19.69 + (93/SW)
HD(5:1)Metric	PD=5 x SW + 0.747 + (0.070/SW)
	Inch	PD=5 x SW + 29.41 + (108.5/SW)
HD(7:1)Metric	PD=6.911 x SW + 1.414 + (0.096/SW)
	Inch	PD=6.911 x SW + 56.06 + (148.8/SW)
HD(1.5-3:1)	Metric	PDmin=1.49 x SW + 0.123
		PDmax=2.983 x SW + 0.145
	Inch	PDmin=1.49 x SW + 4.84
		PDmax=2.983 x SW + 5.71
HD(3-5.3:1)	Metric	PDmin=3.126 x SW - 1.08 ± 0.2
		PDmax=5.345 x SW ± 0.2
	Inch	PDmin=3.126 x SW - 42.52 ± 8
		PDmax=5.345 x SW ± 8
HD(0.9:1)*	Metric	PD=0.83 x SW + 0.20	recommanded screen width range	1.2 m < SW < 3.20m
	Inch	PD=0.83 x SW + 7.874		47 inch < SW < 126 inch

F-2 5975288 BARCOGRAPHICS 8200 110497