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RD-JT51 (SVGA) screen size chart (16:9 aspect ratio)
Diagonal measurement
Distance from
Minimum
screen
zoom
feet
inches
feet
4
48
1.80
6
72
2.70
8
96
3.61
10
120
4.51
12
144
5.41
14
168
6.31
16
192
7.21
18
216
8.11
20
240
9.01
22
264
9.91
24
288
10.82 129.8 16.79 201.5
26
312
11.72 140.6 18.19 218.3
28
336
12.62 151.4 19.59 235.1
30
360
13.52 162.2 20.99 251.9
32
384
14.42 173.1 22.39 268.7
There is 3% ~ 5% tolerance among these numbers due to optical component limits.
* 1m = 3.28 feet, 1 feet = 0.305m, 1m = 100cm, 1 feet = 12 inches
Maximum
zoom
inches
feet
inches
21.6
2.20
26.4
32.4
4.20
50.4
433
5.60
67.2
54.1
7.00
84.0
64.9
8.40
100.8
75.7
9.80
117.6
86.5
11.20
134.4
97.3
12.60 151.2
108.2 14.00 167.9
119.0 15.39 184.7
DLP Personal Projector
Diagonal measurement
Distance from
Minimum
screen
zoom
meters
cm
meters
1
100
0.45
1.5
150
0.68
2
200
0.90
2.5
250
1.13
3
300
1.35
3.5
350
1.58
4
400
1.80
4.5
450
2.03
5
500
2.25
5.5
550
2.48
6
600
2.70
6.5
650
2.93
7
700
3.15
7.5
750
3.38
8
800
3.61
Maximum
zoom
cm
meters
cm
45.1
0.55
55.0
67.6
0.82
82.5
90.1
1.10
110.0
112.7
1.37
137.5
135.2
1.65
164.9
157.7
1.92
192.4
180.3
2.20
219.9
202.8
2.47
247.4
225.3
2.75
274.9
247.9
3.02
302.4
270.4
3.30
329.9
292.9
3.57
357.4
315.5
3.85
384.9
338.0
4.12
412.4
360.5
4.40
439.8
11
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