Sony VPL-SW125 Operating Instructions Manual page 43

Expression#1
L=0.013009 × D – 0.0384 (L=0.512178 × D – 1.5125)
Expression#2
VPL-SW125
Projection distance
Projected image size
Diagonal D
50 inch (1.27 m)
60 inch (1.52 m)
70 inch (1.78 m)
80 inch (2.03 m)
100 inch (2.54 m)
Projection distance formula
D: Projected image size (Diagonal)
H: Distance between the bottom edge of the image and the center of the lens
Expression#1
L=0.013794 × D – 0.0394 (L=0.543087 × D – 1.5503)
Expression#2
Projection Distance L
Height H from lens center to bottom of screen
H=0.00152 × D (H=0.06000 × D)
Width × Height
1.08 × 0.67 (42 × 26)
1.29 × 0.81 (51 × 32)
1.51 × 0.94 (59 × 37)
1.72 × 1.08 (68 × 42)
2.15 × 1.35 (85 × 53)
Projection Distance L
Height H from lens center to bottom of screen
H=0.00296 × D (H=0.11660 × D)
Height H from lens
Projection
center to bottom of
Distance L
0.65 (26)
0.79 (31)
0.93 (36)
1.06 (42)
1.34 (53)
Projection Distance
Unit: m (inches)
Unit: m (inches)
screen
0.15 (5.83)
0.18 (7.00)
0.21 (8.16)
0.24 (9.33)
0.30 (11.66)
Unit: m (inches)
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