ViewSonic LS7 Series User Manual page 19

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16:9 Image on a 4:3 Screen
NOTE: 
(e) = Screen
(b) Projection Distance
(a) Screen
Size
Minimum
mm
in.
in.
30
762
25.44
40
1016
33.92
50
1270
42.40
60
1524
50.88
70
1778
59.36
80
2032
67.84
90
2286
76.32
100
2540
84.40
110
2794
93.28
120
3048 101.76 2585 139.20 3536
130
3302 110.24 2800 150.80 3830
140
3556 118.72 3015 162.40 4125
150
3810 127.20 3231 174.00 4420
200
5080 169.60 4308 232.00 5893
250
6350 212.00 5385 290.00 7366 112.50 2858
300
7620 254.40 6462 348.00 8839 135.00 3429
NOTE: 
• These figures are for reference purposes only. Please refer to the actual
projector for the precise dimensions.
• It is recommended that if you intend to permanently install the projector
to physically test the projection size and distance using the actual projector
before you permanently install it.
(f) = Center of Lens
Maximum
mm
in.
mm
646
34.80
884
862
46.40
1179
1077
58.00
1473
1292
69.60
1768
1508
81.20
2062
1723
92.80
2357
1939 104.40 2652
2154 116.00 2946
2369 127.60 3241
(c) Image
Height
mm
in.
13.50
343
18.00
457
22.50
572
27.00
686
31.50
800
36.00
914
40.50
1029
45.00
1143
49.50
1257
54.00
1372
58.50
1486
63.00
1600
67.50
1715
90.00
2286
19
(d) Vertical Offset
Minimum
Maximum
mm
in.
in.
0.0
0.0
2.51
0.0
0.0
3.35
0.0
0.0
4.19
0.0
0.0
5.02
0.0
0.0
5.86
0.0
0.0
6.70
0.0
0.0
7.53
0.0
0.0
8.37
0.0
0.0
9.21
0.0
0.0
10.04
0.0
0.0
10.88
0.0
0.0
11.72
0.0
0.0
12.56
0.0
0.0
16.74
0.0
0.0
20.93
0.0
0.0
25.11
mm
64
85
106
128
149
170
191
213
234
255
276
298
319
425
531
638

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