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Positioning your projector 17
Table B1: The screen aspect ratio is 4:3 and the projected picture is 4:3
Table B2: The screen aspect ratio is 4:3 and the projected picture is 16:10
(a) Screen size Projected picture size
(b) Distance
from screen
(mm)
(c) Vertical
offset
(mm)
Diagonal
Height
(mm)
Width
(mm)
Height
(mm)
Width
(mm)
Inches mm
50 1270 762 1016 762 1016 596 57
80 2032 1219 1626 1219 1626 953 91
100 2540 1524 2032 1524 2032 1192 114
120 3048 1829 2438 1829 2438 1430 137
150 3810 2286 3048 2286 3048 1787 171
180 4572 2743 3658 2743 3658 2145 206
200 5080 3048 4064 3048 4064 2383 229
220 5588 3353 4470 3353 4470 2622 251
240 6096 3658 4877 3658 4877 2860 274
270 6858 4115 5486 4115 5486 3217 309
300 7620 4572 6096 4572 6096 3575 343
(a) Screen size Projected picture size
(b) Distance
from screen
(mm)
(c) Vertical
offset
(mm)
Diagonal
Height
(mm)
Width
(mm)
Height
(mm)
Width
(mm)
50 1270 762 1016 635 1016 497 32
80 2032 1219 1626 1016 1626 794 51
100 2540 1524 2032 1270 2032 993 64
120 3048 1829 2438 1524 2438 1192 76
150 3810 2286 3048 1905 3048 1490 95
180 4572 2743 3658 2286 3658 1787 114
200 5080 3048 4064 2540 4064 1986 127
220 5588 3353 4470 2794 4470 2185 140
240 6096 3658 4877 3048 4877 2383 152
270 6858 4115 5486 3429 5486 2681 171
300 7620 4572 6096 3810 6096 2979 191
(a)
(b)
Center of lens
Screen
(c)
B1
(a)
(b)
Center of lens
Screen
(c)
B2