Screen Size And Projection Distance - NEC NP901W User Manual

 Screen Size and Projection Distance

Throw Distance and Screen Size (NP905/NP901W)
The following shows the proper relative positions of the projector and screen. Refer to the table to determine the po-
sition of installation.
Projector bottom
Distance Chart
B = Vertical distance between lens center and screen center
C = Throw distance
D = Vertical distance between lens center and screen bottom (top of screen for ceiling application)
α = Throw angle
NOTE: The values in the tables are design values and may vary.
NP905
Screen Size
B
Diagonal Width Height
inch inch inch inch
21 17 13 4
25 20 15 5
30 24 18 6
40 32 24 8
60 48 36 12
72 58 43 15
80 64 48 17
84 67 50 17
90 72 54 19
100 80 60 21
120 96 72 25
150 120 90 31
180 144 108 37
200 160 120 41
210 168 126 43
240 192 144 50
270 216 162 56
300 240 180 62
NP901W
Screen Size
B
Diagonal Width Height
inch inch inch inch
20 17 11 5
25 21 13 6
30 25 16 7
40 34 21 9
56 47 30 13
60 51 32 14
70 59 37 16
80 68 42 18
90 76 48 21
100 85 53 23
120 102 64 28
150 127 79 35
180 153 95 41
200 170 106 46
210 178 111 48
240 204 127 55
270 229 143 62
300 254 159 69
C a
D
Wide – Tele Wide – Tele
inch inch degree
– – 29 -2 – –
28 – 34 -2 10.3 –
34 – 41 -3 10.2 –
46 – 56 -4 10.1 –
70 – 84 -6 10.1 –
84 – 101 -7 10.0 –
93 – 112 -8 10.0 –
98 – 118 -8 10.0 –
105 – 126 -8 10.0 –
117 – 141 -9 10.0 –
141 – 169 -11 10.0 –
176 – 211 -14 10.0 –
211 – 254 -17 10.0 –
235 – 282 -19 10.0 –
247 – 296 -20 10.0 –
282 – 339 -23 9.9 –
318 – 381 -25 9.9 –
353 – 424 -28 9.9 –
C a
D
Wide – Tele Wide – Tele
inch inch degree
23 – 28 -1 11.2 –
29 – 36 -1 11.1 –
36 – 43 -1 11.0 –
48 – 58 -1 10.9 –
67 – 81 -2 10.8 –
72 – 87 -2 10.8 –
85 – 102 -2 10.8 –
97 – 116 -3 10.8 –
109 – 131 -3 10.8 –
121 – 146 -3 10.7 –
146 – 175 -4 10.7 –
183 – 219 -5 10.7 –
219 – 263 -6 10.7 –
244 – 293 -7 10.7 –
256 – 308 -7 10.7 –
293 – 352 -8 10.7 –
330 – 396 -9 10.7 –
366 – 440 -10 10.7 –
screen center
2.85"/72.3 mm
lens center
C
Screen Size
Diagonal Width Height
mm mm mm
8.6 533 427 320
8.6 635 508 381
8.5 762 610 457
8.4 1016 813 610
8.4 1524 1219 914
8.4 1829 1463 1097
8.4 2032 1626 1219
8.4 2134 1707 1280
8.4 2286 1829 1372
8.3 2540 2032 1524
8.3 3048 2438 1829
8.3 3810 3048 2286
8.3 4572 3658 2743
8.3 5080 4064 3048
8.3 5334 4267 3200
8.3 6096 4877 3658
8.3 6858 5486 4115
8.3 7620 6096 4572
Screen Size
Diagonal Width Height
mm mm mm
9.3 508 431 269
9.2 635 538 337
9.2 762 646 404
9.1 1016 862 538
9.0 1422 1206 754
9.0 1524 1292 808
9.0 1778 1508 942
9.0 2032 1723 1077
9.0 2286 1939 1212
9.0 2540 2154 1346
9.0 3048 2585 1615
8.9 3810 3231 2019
8.9 4572 3877 2423
8.9 5080 4308 2692
8.9 5334 4523 2827
8.9 6096 5169 3231
8.9 6858 5816 3635
8.9 7620 6462 4039
1
B
D
screen bottom
C
B D
Wide – Tele
mm mm mm
110 – – 730 -50
130 720 – 870 -60
160 870 – 1050 -70
210 1170 – 1410 -100
310 1770 – 2130 -140
380 2130 – 2560 -170
420 2370 – 2850 -190
440 2490 – 2990 -200
470 2670 – 3210 -210
520 2970 – 3570 -240
630 3570 – 4290 -290
790 4470 – 5370 -360
940 5370 – 6450 -430
1050 5970 – 7170 -480
1100 6270 – 7530 -500
1260 7170 – 8610 -570
1410 8070 – 9690 -640
1570 8970 – 10770 -710
C
B D
Wide – Tele
mm mm mm
120 590 – 720 -20
150 750 – 900 -20
180 900 – 1090 -30
230 1210 – 1460 -40
330 1710 – 2060 -50
350 1840 – 2210 -50
410 2150 – 2580 -60
470 2460 – 2960 -70
530 2770 – 3330 -80
580 3080 – 3700 -90
700 3700 – 4450 -110
880 4640 – 5570 -130
1050 5570 – 6690 -160
1170 6190 – 7440 -180
1230 6500 – 7810 -190
1400 7440 – 8930 -210
1580 8370 – 10050 -240
1750 9310 – 11180 -270
8. Appendix
a
Wide – Tele
degree
– – 8.6
10.3 – 8.6
10.2 – 8.5
10.1 – 8.4
10.1 – 8.4
10.0 – 8.4
10.0 – 8.4
10.0 – 8.4
10.0 – 8.4
10.0 – 8.3
10.0 – 8.3
10.0 – 8.3
10.0 – 8.3
10.0 – 8.3
10.0 – 8.3
9.9 – 8.3
9.9 – 8.3
9.9 – 8.3
a
Wide – Tele
degree
11.2 – 9.3
11.1 – 9.2
11.0 – 9.2
10.9 – 9.1
10.8 – 9.0
10.8 – 9.0
10.8 – 9.0
10.8 – 9.0
10.8 – 9.0
10.7 – 9.0
10.7 – 9.0
10.7 – 8.9
10.7 – 8.9
10.7 – 8.9
10.7 – 8.9
10.7 – 8.9
10.7 – 8.9
10.7 – 8.9