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 1.9 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
1.9 m
Desired distance
Distance (m)
Max zoom
< B >
66 x 37
0.8
89 x 50
1.1
111 x 62
1.4
133 x 75
1.6
155 x 87
1.9
177 x 100
2.2
199 x 112
2.4
221 x 125
2.7
266 x 149
3.2
332 x 187
4.1
398 x 224
4.9
443 x 249
5.4
553 x 311
6.8
664 x 374
8.1
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 >
0.8
37
1.1
50
1.4
62
1.6
75
1.9
87
2.2
100
2.4
112
2.7
125
3.2
149
4.1
187
4.9
224
5.4
249
6.8
311
8.1
374
10