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How To Optimize Image Size And Distance - Acer H7850 User Manual

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How to optimize image size and distance

Consult the table below to find the optimal image sizes achievable when the
projector is positioned at a desired distance from the screen.
If the projector is 2.0 m from the screen, good image quality is possible for
image sizes between 41" and 65".
Note: Remind as below figure, the space of 81 cm height is
required when located at 2 m distance.
Screen size
Desired
Distance
Diagonal
(m)
W (cm) x H
(inch)
<A>
<B>
1.0
20.00
45 x 25
1.3
26
59 x 33
2.0
41
90 x 51
2.5
51
113 x 63
3.0
61
135 x 76
3.5
71
158 x 89
4.0
81
180 x 101
5.0
102
225 x 127
6.0
122
270 x 152
7.0
142
315 x 177
8.0
163
360 x 203
9.0
183
405 x 228
9.3
189
419 x 236
Zoom Ratio: 1.6x
A
2.0 m
Desired Distance
Top
(Min zoom)
From base to
top of image
(cm)
(cm)
<C>
25
33
51
63
76
89
101
127
152
177
203
228
236
B
Height: 81 cm
from base to top
Height:
of image
51 cm
C
Screen size
(Max zoom)
Diagonal
From base to top
W (cm) x H
(inch)
(cm)
<B>
33
72 x 40
42
94 x 53
65
144 x 81
81
181 x 101
97
216 x 121
114
252 x 142
130
288 x 162
162
360 x 202
195
432 x 243
227
504 x 283
260
576 x 324
292
647 x 364
302
669 x 376
13
Top
of image (cm)
<C>
40
53
81
101
121
142
162
202
243
283
324
364
376

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