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Relationship between Screen Size, and Projection Distance

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Relationship between Screen Size and Projection Distance Screen size at 4:3 aspect ratio 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 259 176″ 358 x 268 180″ 366 x 274 182″ 370 x 277 190″ 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 Zoomed projection distance Max. 2.0 m (6.6′) 2.5 m (8.2′) 3.0 m (9.8′) 3.5 m (11.5′) 4.0 m (13.1′) 4.5 m (14.8′) 5.0 m (16.4′) 5.5 m (18.0′) 6.0 m (19.7′) 6.5 m (21.3′) 7.0 m (23.0′) 7.5 m (24.6′) 8.0 m (26.2′) 8.5 m (27.9′) 8.8 m (28.9′) 9.0 m (29.5′) 9.1 m (29.9′) - - - - - - - - - - - - Min. 1.2 m (3.9′) 1.5 m (4.9′) 1.8 m (5.9′) 2.1 m (6.9′) 2.4 m (7.9′) 2.7 m (8.9′) 3.0 m (9.8′) 3.3 m (10.8′) 3.6 m (11.8′) 3.9 m (12.8′) 4.2 m (13.8′) 4.5 m (14.8′) 4.8 m (15.7′) 5.1 m (16.7′) 5.3 m (17.4′) 5.4 m (17.7′) 5.5 m (18.0′) 5.7 m (18.7′) 6.0 m (19.7′) 6.3 m (20.7′) 6.6 m (21.7′) 7.0 m (23.0′) 7.3 m (24.0′) 7.6 m (24.9′) 7.9 m (25.9′) 8.2 m (26.9′) 8.5 m (27.9′) 8.8 m (28.9′) 9.1 m (29.9′) H1 55 cm (1.8′) 69 cm (2.3′) 82 cm (2.7′) 96 cm (3.1′) 110 cm (3.6′) 123 cm (4.0′) 137 cm (4.5′) 151 cm (5.0′) 165 cm (5.4′) 178 cm (5.8′) 192 cm (6.3′) 206 cm (6.8′) 219 cm (7.2′) 233 cm (7.6′) 241 cm (7.9′) 247 cm (8.1′) 250 cm (8.2′) 261 cm (8.6′) 274 cm (9.0′) 288 cm (9.4′) 302 cm (9.9′) 315 cm (10.3′) 329 cm (10.8′) 343 cm (11.3′) 357 cm (11.7′) 370 cm (12.1′) 384 cm (12.6′) 398 cm (13.1′) 411 cm (13.5′) H2 6 cm (0.2′) 8 cm (0.26′) 9 cm (0.3′) 11 cm (0.36′) 12 cm (0.4′) 14 cm (0.46′) 15 cm (0.49′) 17 cm (0.56′) 18 cm (0.59′) 20 cm (0.66′) 21 cm (0.69′) 23 cm (0.75′) 24 cm (0.79′) 26 cm (0.85′) 27 cm (0.86′) 27 cm (0.86′) 28 cm (0.9′) 29 cm (0.95′) 30 cm (0.98′) 32 cm (1.05′) 34 cm (1.12′) 35 cm (1.15′) 37 cm (1.21′) 38 cm (1.25′) 40 cm (1.31′) 41 cm (1.35′) 43 cm (1.41′) 44 cm (1.44′) 46 cm (1.51′) Screen size at 16:9 aspect ratio W x D (cm) 37″ 81 x 46 46″ 102 x 57 55″ 122 x 69 64″ 142 x 80 74″ 163 x 91 83″ 183 x 103 91″ 203 x 114 101″ 224 x 126 110″ 244 x 137 119″ 264 x 149 128″ 284 x 160 138″ 305 x 171 147″ 325 x 183 156″ 345 x 194 162″ 358 x 201 165″ 366 x 206 167″ 370 x 208 174″ 386 x 217 184″ 406 x 229 193″ 427 x 240 202″ 447 x 251 211″ 467 x 263 220″ 488 x 274 233″ 508 x 286 239″ 528 x 297 248″ 549 x 309 257″ 569 x 320 266″ 589 x 331 276″ 610 x 343 85 APPENDIX

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85
APPENDIX
Relationship between Screen Size
and Projection Distance
Zoomed projection distance
Screen size at 4:3
aspect ratio
W x D (cm)
Max.
Min.
H1
H2
Screen size at 16:9
aspect ratio
W x D (cm)
40
″
81 x 61
2.0 m
(6.6
′
)
1.2 m
(3.9
′
)
55 cm
(1.8
′
)
6 cm
(0.2
′
)
37
″
81 x 46
2.5 m
(8.2
′
)
1.5 m
(4.9
′
)
69 cm
(2.3
′
)
8 cm
(0.26
′
)
46
″
102 x 57
60
″
122 x 91
3.0 m
(9.8
′
)
1.8 m
(5.9
′
)
82 cm
(2.7
′
)
9 cm
(0.3
′
)
55
″
122 x 69
3.5 m
(11.5
′
)
2.1 m
(6.9
′
)
96 cm
(3.1
′
)
11 cm
(0.36
′
)
64
″
142 x 80
4.0 m
(13.1
′
)
2.4 m
(7.9
′
)
110 cm
(3.6
′
)
12 cm
(0.4
′
)
74
″
163 x 91
4.5 m
(14.8
′
)
2.7 m
(8.9
′
)
123 cm
(4.0
′
)
14 cm
(0.46
′
)
83
″
183 x 103
5.0 m
(16.4
′
)
3.0 m
(9.8
′
)
137 cm
(4.5
′
)
15 cm
(0.49
′
)
91
″
203 x 114
5.5 m
(18.0
′
)
3.3 m
(10.8
′
)
151 cm
(5.0
′
)
17 cm
(0.56
′
)
101
″
224 x 126
6.0 m
(19.7
′
)
3.6 m
(11.8
′
)
165 cm
(5.4
′
)
18 cm
(0.59
′
)
110
″
244 x 137
6.5 m
(21.3
′
)
3.9 m
(12.8
′
)
178 cm
(5.8
′
)
20 cm
(0.66
′
)
119
″
264 x 149
7.0 m
(23.0
′
)
4.2 m
(13.8
′
)
192 cm
(6.3
′
)
21 cm
(0.69
′
)
128
″
284 x 160
7.5 m
(24.6
′
)
4.5 m
(14.8
′
)
206 cm
(6.8
′
)
23 cm
(0.75
′
)
138
″
305 x 171
8.0 m
(26.2
′
)
4.8 m
(15.7
′
)
219 cm
(7.2
′
)
24 cm
(0.79
′
)
147
″
325 x 183
8.5 m
(27.9
′
)
5.1 m
(16.7
′
)
233 cm
(7.6
′
)
26 cm
(0.85
′
)
156
″
345 x 194
8.8 m
(28.9
′
)
5.3 m
(17.4
′
)
241 cm
(7.9
′
)
27 cm
(0.86
′
)
162
″
358 x 201
9.0 m
(29.5
′
)
5.4 m
(17.7
′
)
247 cm
(8.1
′
)
27 cm
(0.86
′
)
165
″
366 x 206
9.1 m
(29.9
′
)
5.5 m
(18.0
′
)
250 cm
(8.2
′
)
28 cm
(0.9
′
)
167
″
370 x 208
-
5.7 m
(18.7
′
)
261 cm
(8.6
′
)
29 cm
(
0.95
′
)
174
″
386 x 217
-
6.0 m
(19.7
′
)
274 cm
(9.0
′
)
30 cm
(
0.98
′
)
184
″
406 x 229
-
6.3 m
(20.7
′
)
288 cm
(9.4
′
)
32 cm
(
1.05
′
)
193
″
427 x 240
-
6.6 m
(21.7
′
)
302 cm
(9.9
′
)
34 cm
(
1.12
′
)
202
″
447 x 251
-
7.0 m
(23.0
′
)
315 cm
(10.3
′
)
35 cm
(
1.15
′
)
211
″
467 x 263
-
7.3 m
(24.0
′
)
329 cm
(10.8
′
)
37 cm
(
1.21
′
)
220
″
488 x 274
-
7.6 m
(24.9
′
)
343 cm
(11.3
′
)
38 cm
(
1.25
′
)
233
″
508 x 286
-
7.9 m
(25.9
′
)
357 cm
(11.7
′
)
40 cm
(
1.31
′
)
239
″
528 x 297
-
8.2 m
(26.9
′
)
370 cm
(12.1
′
)
41 cm
(
1.35
′
)
248
″
549 x 309
-
8.5 m
(27.9
′
)
384 cm
(12.6
′
)
43 cm
(
1.41
′
)
257
″
569 x 320
-
8.8 m
(28.9
′
)
398 cm
(13.1
′
)
44 cm
(
1.44
′
)
266
″
589 x 331
-
9.1 m
(29.9
′
)
411 cm
(13.5
′
)
46 cm
(
1.51
′
)
276
″
610 x 343
50
″
102 x 76
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
176
″
358 x 268
180
″
366 x 274
182
″
370 x 277
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