Sony VPL-EX281 - Page 66

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Projection Distance
Projection distance table (VPL-EW275)
Unit: m (inches)
Projection distance formula (VPL-EW275)
D: Projected image size (Diagonal)
H: Height H from center of lens to edge of screen
Expression#1 (Projection distance L) Unit: m (inches)
Expression#2 (Height H from center of lens to edge of screen)
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 (2.03m) 1.72 × 1.08
(68 × 42)
1.92-3.09
(76-121)
-0.20 (-8) -0.20 (-8)
100 inch (2.54m) 2.15 × 1.35
(85 × 53)
2.41-3.87
(95-152)
-0.25 (-10) -0.25 (-10)
120 inch (3.05m) 2.58 × 1.62
(102 × 64)
2.90-4.66
(114-183)
-0.29 (-12) -0.29 (-12)
150 inch (3.81m) 3.23 × 2.02
(127 × 79)
3.63-5.83
(143-229)
-0.37 (-15) -0.37 (-15)
200 inch (5.08m) 4.31 × 2.69
(170 × 106)
4.85-7.79
(191-306)
-0.49 (-19) -0.49 (-19)
Minimum Projection Distance L Maximum Projection Distance L
L=0.024366 × D-0.0315
(L=0.959286 × D-1.2399)
L=0.039132 × D-0.0357
(L=1.540634 × D-1.4060)
Height H from center of lens to edge of screen
Minimum Projection Distance L Maximum Projection Distance L
H=-0.00246 × D
(H=-0.09675 × D)
H=-0.00246 × D
(H=-0.09675 × D)