Dell M900HD User Manual page 18

Desired Distance (m)
<A>
0.91
1.21
1.51
1.8
2.1
2.4
* This graph is for user reference only.
* Offset Ratio: 105±5%
18 Using Your Projector
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Screen size
Diagonal (inch)
W (cm) x H (cm)
<B>
30
40
50
60
70
80
C
From base to top of image
65 x 41
86 x 54
108 x 67
129 x 80
150 x 94
171 x 107
W
B
A
Top
(cm)
<C>
43
57
71
84
98
113
H