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Projection distance table (VPL-DW120)
Unit: m (inches)
Projection distance formula (VPL-DW120)
D: Projected image size (Diagonal)
H: Height H from center of lens to edge of screen
Expression#1 Unit: m (inches)
Expression#2
Projected image size
Projection
Distance L
Height H from center of lens to edge
of screen
Diagonal D Width × Height
Minimum
Projection
Distance L
Maximum
Projection
Distance L
80 inch (2.03 m) 1.72 × 1.08
(68 × 42)
2.36-3.05 (93-120) -0.20 (-8) -0.20 (-8)
100 inch (2.54 m) 2.15 × 1.35
(85 × 53)
2.95-3.82 (117-150) -0.25 (-10) -0.25 (-10)
120 inch (3.05 m) 2.58 × 1.62
(102 × 64)
3.55-4.59 (140-180) -0.29 (-12) -0.29 (-12)
150 inch (3.81 m) 3.23 × 2.02
(127 × 79)
4.44-5.75 (175-226) -0.37 (-15) -0.37 (-15)
200 inch (5.08 m) 4.31 × 2.69
(170 × 106)
5.93-7.67 (234-302) -0.49 (-19) -0.49 (-19)
Minimum Projection Distance L Maximum Projection Distance L
L=0.029757 × D-0.0291
(L=1.171525 × D-1.1450)
L=0.038536 × D-0.0282
(L=1.517164 × D-1.1091)
Height H from center of lens to edge of screen
Minimum Projection Distance L Maximum Projection Distance L
H=-0.00246 × D+0.00000
(H=-0.09675 × D+0.00000)
H=-0.00246 × D+0.00000
(H=-0.09675 × D+0.00000)