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F-1
・On a horizontal surface
T-1
a
b
Screen size
Projection distance
(diagonal)
min.
type
m
m
inch
(inch)
30
0.8
0.9
34
40
1.0
1.2
46
50
1.3
1.5
58
60
1.5
1.8
70
70
1.8
2.1
82
80
2.0
2.4
94
90
2.3
2.7
106
100
2.5
3.0
118
120
3.0
3.6
142
150
3.8
4.5
177
200
5.1
6.0
237
250
6.4
7.5
297
300
7.6
9.1
357 10.9 428 392 154
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・Suspended from the ceiling
4 : 3 screen
c1
Screen
height
max.
m
inch
cm
inch
cm
1.0
41
39
15
7
1.4
56
52
21
9
1.8
70
65
26
11
2.1
84
78 31 13
2.5
99
91 36 15
2.9
113 105
41
17
3.2
127 118
46
20
3.6
142 131
51
22
4.3
170 157
62
26
5.4
213 196
77
33
7.2
285 261 103
44
9.1
357 327 129
54
65
F-2
b
c2
Projection distance
Screen
height
min.
max.
inch
m
inch
m
3
0.9
37
1.1
3
1.3
50
1.5
4
1.6
63
1.9
5
1.9
76
2.3
6
2.3
89
2.7
7
2.6
102
3.1
8
2.9
115
3.5
9
3.3
128
3.9
10
3.9
154
4.7
13
4.9
193
5.9
17
6.6
258
7.9
21
8.2
324
9.9
26
9.9
389 11.9 467 365 144
(1024 x 768) (±10%)
16 : 9 screen
c1
c2
Screen
Screen
height
height
inch
cm
inch
cm
45
36
14
1
61
49
19
1
76
61
24
1
92
73 29
2
108
85
34
2
123
97
38
2
139 109
43
3
154 122
48
3
186 146
57
4
232 182
72
4
311 243
96
6
389 304 120
7
9
inch
0
0
1
1
1
1
1
1
1
2
2
3
4
19
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