Throw Distance And Screen Size - NEC VT58 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
Projector bottom
VT580/VT480/VT58
Screen Size
Diagonal Width
inch mm inch mm
21 533 17 427
25 635 20 508
30 762 24 610
40 1016 32 813
60 1524 48 1219
72 1829 58 1463
80 2032 64 1626
84 2134 67 1707
90 2286 72 1829
100 2540 80 2032
120 3048 96 2438
150 3810 120 3048
180 4572 144 3658
200 5080 160 4064
210 5334 168 4267
240 6096 192 4877
270 6858 216 5486
300 7620 240 6096
VT48
Diagonal
inch mm inch
25 635 20
30 762 24
40 1016 32
60 1524 48
72 1829 58
80 2032 64
84 2134 67
90 2286 72
100 2540 80
120 3048 96
150 3810 120
180 4572 144
200 5080 160
210 5334 168
240 6096 192
270 6858 216
300 7620 240
C
Screen center
Lens center
α
B
Height
inch mm inch
13 320 4
15 381 5
18 457 6
24 610 9
36 914 13
43 1097 15
48 1219 17
50 1280 18
54 1372 19
60 1524 21
72 1829 26
90 2286 32
108 2743 38
120 3048 43
126 3200 45
144 3658 51
162 4115 57
180 4572 64
Screen Size
Width Height
mm inch
508 15
610 18
813 24
1219 36
1463 43
1626 48
1707 50
1829 54
2032 60
2438 72
3048 90
3658 108
4064 120
4267 126
4877 144
5486 162
6096 180
B = Vertical distance between lens center and
C = Throw distance
D = Vertical distance between lens center and
α = Throw angle
B
NOTE: Distances may vary +/-5%.
D
Screen bottom
C
wide
mm inch mm -
110 - - -
140 29 740 -
160 35 900 -
220 48 1210 -
320 72 1830 -
390 87 2200 -
430 96 2450 -
450 101 2570 -
490 109 2760 -
540 121 3070 -
650 145 3690 -
810 182 4620 -
970 218 5540 -
1080 243 6160 -
1140 255 6470 -
1300 291 7400 -
1460 328 8330 -
1620 365 9260 -
B
mm inch mm
381 5 140
457 6 160
610 9 220
914 13 320
1097 15 390
1219 17 430
1280 18 450
1372 19 490
1524 21 540
1829 26 650
2286 32 810
2743 38 970
3048 43 1080
3200 45 1140
3658 51 1300
4115 57 1460
4572 64 1620
11
2. Installation and Connections
screen center
screen bottom (top of screen for ceiling
application)
D
tele
inch mm inch mm
30 750 -2 -50
35 900 -2 -60
43 1090 -3 -70
57 1460 -3 -90
87 2200 -5 -130
104 2650 -6 -160
116 2940 -7 -180
122 3090 -7 -190
131 3310 -8 -200
145 3690 -9 -220
174 4430 -10 -270
218 5540 -13 -330
262 6660 -16 -400
291 7400 -17 -440
306 7770 -18 -460
350 8890 -21 -530
394 10000 -24 -600
438 11120 -26 -660
C
inch mm inch
35 890 -2
42 1070 -3
57 1440 -3
86 2180 -5
103 2620 -6
115 2920 -7
121 3060 -7
129 3290 -8
144 3650 -9
173 4390 -10
217 5500 -13
260 6610 -16
289 7340 -17
304 7710 -18
347 8820 -21
391 9930 -24
434 11030 -26
α
wide tele
degree - degree
- - 8.6
10.3 - 8.5
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
α
D
mm degree
-60 8.7
-70 8.6
-90 8.5
-130 8.5
-160 8.4
-180 8.4
-190 8.4
-200 8.4
-220 8.4
-270 8.4
-330 8.4
-400 8.4
-440 8.4
-460 8.4
-530 8.4
-600 8.4
-660 8.4