7 projection distances – Sim2 Multimedia HT 250 User Manual
Page 7

HT 200/250
9
ENGLISH
7 PROJECTION DISTANCES
Follow the table below to determine the optimal projection distance (between the screen and the center of the lens).
This will help you to obtain the desired screen size
(Fig. 22A-22B).
Screen
size
Screen
Screen
(diagonal)
width
min
max
width
min
max
in.
m
in.
m
ft.
m
ft.
m
in.
m
ft.
m
ft.
Projection distance
Projection distance
4/3
16/9
Fig. 22A
4/3
16/9
Fig. 22B
50
1.0
40
2.3
7’8”
3.2
10’6
”
1.1
44
2.6
8’4
”
3.5
11’6
”
60
1.2
48
2.8
9
’
2
”
3.9
12
’
8
”
1.3
52
3.1
10
’
1
”
4.2
13
’
9
”
70
1.4
56
3.3
10
’
9
”
4.5
14
’
9
”
1.6
61
3.6
11
’
8
”
4.9
16
’
1
”
80
1.6
64
3.7
12
’
3
”
5.1
16
’
10
”
1.8
70
4.1
13
’
4
”
5.6
18
’
5
”
90
1.8
72
4.2
13
’
10
”
5.8
19
’
2.0
78
4.6
15
’
6.3
20
’
8
”
100
2.0
80
4.7
15
’
4
”
6.4
21
’
1
”
2.2
87
5.1
16
’
8
”
7.0
23
’
120
2.4
96
5.6
18
’
5
”
7.7
25
’
4
”
2.7
105
6.1
20
’
1
”
8.4
27
’
6
”
150
3.1
120
7.0
23
’
9.6
31
’
7
”
3.3
131
7.6
25
’
1
”
10.5
34
’
5
”
180
3.7
144
8.4
27
’
7
”
11.6
37
’
11
”
4.0
157
9.2
30
’
1
”
12.6
41
’
4
”
200
4.1
160
9.4
30
’
8
”
12.8
42
’
2
”
4.4
174
10.2
33
’
5
”
-
-
220
4.5
176
10.3
33
’
9
”
-
-
4.9
192
11.2
36
’
9
”
-
-
250
5.1
200
11.7
38
’
4
”
-
-
5.5
218
12.7
41
’
9
”
-
-
50
1.0
40
2.3
7’4”
3.0
10’
1.1
44
2.4
8
’
3.3
10’11”
60
1.2
48
2.7
8’9”
3.7
12’
1.3
52
2.9
9’7”
4.0
13’8”
70
1.4
56
3.1
10’3”
4.3
14’
1.6
61
3.4
11’2”
4.6
15’3”
80
1.6
64
3.6
11’9”
4.9
16’
1.8
70
3.9
12’9”
5.3
17’5”
90
1.8
72
4.0
13’2”
5.5
18’
2.0
78
4.4
14’5”
6.0
19’7”
100
2.0
80
4.5
14’8”
6.1
20’
2.2
87
4.9
16
’
6.6
21’9”
120
2.4
96
5.4
17’7”
7.3
24’
2.7
105
5.8
19’2”
8.0
26’2”
150
3.0
120
6.7
22’1”
9.1
30’
3.3
131
7.3
24
’
10.0
32’8”
180
3.7
144
8.0
26’5”
11.0
36’
4.0
157
8.8
28’9”
11.9
39’3”
200
4.1
160
8.9
29’4”
12.2
40’
4.4
174
9.7
32
’
-
-
220
4.5
176
9.8
32’3”
-
-
4.9
192
10.7
35’2”
-
-
250
5.1
200
11.2
36’8”
-
-
5.5
218
12.2
39’11”
-
-
HT 200
HT 250
Screen
size
Screen
Screen
(diagonal)
width
min
max
width
min
max
in.
m
in.
m
ft.
m
ft.
m
in.
m
ft.
m
ft.
Projection distance
Projection distance