ViewSonic Pro9000 - Page 20

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Distance v.s Screen size table
Desired
Distance
(m)
<A>
Screen size Top Screen size Top
(Min zoom) (Max zoom)
Diagonal
(inch)
<B>
W (cm) x H
(cm)
From base to
top of image
(cm)
<C>
Diagonal
(inch)
<B>
W (cm) x H
(cm)
From base to
top of image
(cm)
<C>
1.5 38 83 X 47 54 45 100 X 56 65
1.8 45 100 X 56 65 54 120 X 68 78
2 50 111 X 63 73 60 133 X 75 87
2.3 58 128 X 72 83 69 153 X 86 100
2.5 63 138 X 78 91 75. 167 X 94 109
2.8 70 155 X 88 102 84 187 X 105 122
3 75 167 X 94 109 90 200 X 113 131
3.2 80 178 X 100 116 96 213 X 120 139
3.5 88 194 X 109 127 105 233 X 131 152
3.8 95 211 X 119 138 114 253 X 143 165
4 100 222 X 125 145 120 267 X 150 174
4.2 105 233 X 131 152 126 280 X 158 183
4.5 113 250 X 140 163 136 300 X 169 196
4.8 120 267 X 150 174 145 320 X 180 209
5 125 278 X 156 181 151 333 X 188 218
Zoom Ratio: 1.2x
How to get a preferred screen size by adjusting distance and zoom
B
C
A
D
The table below shows how to achieve a desired screen size by adjusting either
60”
Desired image size
Height
For base to
top of image
2.0 m
Desired Distance
2.4 m