Sony VPL-DX270 Operating Instructions Manual page 47

Projection distance table (VPL-DX220)
Projected image size
Diagonal D Width × Height
80 inch (2.03 m) 1.63 × 1.22
(64 × 48)
100 inch (2.54 m) 2.03 × 1.52
(80 × 60)
120 inch (3.05 m) 2.44 × 1.83
(96 × 72)
150 inch (3.81 m) 3.05 × 2.29
(120 × 90)
200 inch (5.08 m) 4.06 × 3.05
(160 × 120)
Projection distance formula (VPL-DX220)
D: Projected image size (Diagonal)
H: Height H from center of lens to edge of screen
Expression#1
Minimum Projection Distance L
L=0.030427 × D-0.0234
(L=1.197898 × D-0.9193)
Expression#2
Minimum Projection Distance L
H=-0.00254 × D+0.00000
(H=-0.10000 × D+0.00000)
Projection
Distance L
2.42-2.88 (95-113)
3.02-3.60 (119-141)
3.63-4.33 (143-170)
4.55-5.42 (179-213)
6.07-7.23 (239-284)
Height H from center of lens to edge of screen
Height H from center of lens to edge
of screen
Minimum
Projection
Distance L
-0.20 (-8)
-0.25 (-10)
-0.30 (-12)
-0.38 (-15)
-0.51 (-20)
Maximum Projection Distance L
L=0.036301 × D-0.0236
(L=1.429177 × D-0.9283)
Maximum Projection Distance L
H=-0.00254 × D+0.00000
(H=-0.10000 × D+0.00000)
Projection Distance
Unit: m (inches)
Maximum
Projection
Distance L
-0.20 (-8)
-0.25 (-10)
-0.30 (-12)
-0.38 (-15)
-0.51 (-20)
Unit: m (inches)
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