Throw Distance And Screen Size - NEC NP-VE281 User Manual

Throw Distance and Screen Size

The following shows the proper relative positions of the projector and screen. Refer to the table to determine the
position of installation.
Distance Chart
Installation surface
Screen Size
Diagonal Width
inch mm inch mm
30 762 24 610
40 1016 32 813
60 1524 48 1219
70 1778 56 1422
80 2032 64 1626
90 2286 72 1829
100 2540 80 2032
120 3048 96 2438
150 3810 120 3048
180 4572 144 3658
200 5080 160 4064
240 6096 192 4877
270 6858 216 5486
300 7620 240 6096
B = Vertical distance between lens center and screen center
C = Throw distance
D = Vertical distance between lens center and bottom of screen(top of screen for ceiling application)
a = Throw angle
NOTE: The values in the tables are design values and may vary.
C
2.9"/73 mm
B
Height
inch mm inch mm
18 457 12 297
24 610 16 396
36 914 23 594
42 1067 27 693
48 1219 31 792
54 1372 35 891
60 1524 39 990
72 1829 47 1188
90 2286 58 1486
108 2743 70 1783
120 3048 78 1981
144 3658 94 2377
162 4115 105 2674
180 4572 117 2971
2. Installation and Connections
Screen center
Screen bottom
Lens center
C
Wide - Tele
inch mm - inch mm
46 1180 - 52
62 1573 - 69
93 2360 - 104
108 2753 - 121
124 3147 - 139
139 3540 - 156
155 3933 - 173
186 4720 - 208
232 5900 - 260
279 7080 - 312
310 7867 - 346
372 9440 - 416 10560
418 10620 - 468 11880
465 11800 - 520 13200
10
B
D
D(WIDE)
Wide
inch mm degree
1320 3 69 14.0 -
1760 4 91 14.0 -
2640 5 137 14.0 -
3080 6 160 14.0 -
3520 7 183 14.0 -
3960 8 206 14.0 -
4400 9 228 14.0 -
5280 11 274 14.0 -
6600 13 343 14.0 -
7920 16 411 14.0 -
8800 18 457 14.0 -
22 548 14.0 -
24 617 14.0 -
27 685 14.0 -
a
- Tele
- degree
12.7
12.7
12.7
12.7
12.7
12.7
12.7
12.7
12.7
12.7
12.7
12.7
12.7
12.7