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Relationship between Screen Size and Projecting Distance
4:3
Screen size
Width
Screen size at 4:3 aspect ratio
Type - W x D cm
40" (81 x 61)
50" (102 x 76)
60" (122 x 91)
70" (142 x 107)
80" (163 x 122)
90" (183 x 137)
100" (203 x 152)
110" (224 x 168)
120" (244 x 183)
130" (264 x 198)
140" (284 x 213)
150" (305 x 229)
160" (325 x 244)
170" (345 x 259)
180" (366 x 274)
190" (386 x 290)
200" (406 x 305)
210" (427 x 320)
220" (447 x 335)
230" (467 x 351)
240" (488 x 366)
250" (508 x 381)
260" (528 x 396)
270" (549 x 411)
280" (569 x 427)
290" (589 x 442)
300" (610 x 457)
* The values in the table above are approximations rounded off.
16:9
Screen size
Width
Projecting distance
Projecting distance
m (feet)
Max. zooming
1.2
(3.9')
1.5
(4.9')
1.8
(5.9')
2.1
(6.9')
2.4
(7.9')
2.7
(8.9')
3.0
(9.8')
3.3
(10.8')
3.6
(11.8')
3.9
(12.8')
4.2
(13.8')
4.5
(14.8')
4.8
(15.5')
5.1
(16.8')
5.4
(17.7')
5.7
(18.7')
6.0
(19.7')
6.4
(20.3')
6.7
(22.0')
7.0
(22.9')
7.3
(23.9')
7.6
(24.8')
7.9
(25.8')
8.2
(27.2')
8.5
(27.9')
8.8
(28.9')
9.1
(29.9')
134
Screen size at 16:9 aspect ratio
m (feet)
Min. zooming
1.7
(5.6')
2.2
(7.1')
2.6
(8.5')
3.1
(10.0')
3.5
(11.4')
4.0
(13.1')
4.4
(14.6')
4.9
(16.1')
5.3
(17.4')
5.8
(19.0')
6.2
(20.2')
6.6
(21.7')
7.1
(23.3')
7.5
(24.6')
8.0
(26.3')
8.4
(27.6')
8.9
(29.2')
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W x D cm
81 x 46
102 x 57
122 x 69
142 x 80
163 x 91
183 x 103
203 x 114
224 x 126
244 x 137
264 x 149
284 x 160
305 x 171
325 x 183
345 x 194
366 x 206
386 x 217
406 x 229
427 x 240
447 x 251
467 x 263
488 x 274
508 x 286
528 x 297
549 x 309
569 x 320
589 x 331
610 x 343
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