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How to Get a Preferred Image Size by Adjusting
Distance and Zoom
The table below shows how to achieve a desired image size by adjusting either
the position or the zoom ring.
To obtain an image size of 70" set the projector at a distance 1.7 m from the
screen.
Desired Image Size
Diagonal (inch)
W (cm) x H (cm)
< A >
30
40
50
60
70
80
90
100
120
150
180
200
250
300
Zoom Ratio: 1.0 x
1.7 m
Desired distance
Distance (m)
Max zoom
< B >
66 x 37
89 x 50
1.0
111 x 62
1.2
133 x 75
1.5
155 x 87
1.7
177 x 100
2.0
199 x 112
2.2
221 x 125
2.5
266 x 149
2.9
332 x 187
3.7
398 x 224
4.4
443 x 249
4.9
553 x 311
6.1
664 x 374
7.4
70"
Desired
Height:
image size
87 cm
From
base to
top of
image
Top (cm)
Min zoom
From base to top of
< C >
image < D >
0.7
37
1.0
50
1.2
62
1.5
75
1.7
87
2.0
100
2.2
112
2.5
125
2.9
149
3.7
187
4.4
224
4.9
249
6.1
311
374
13
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