www.necvisualsystems.com
HT410 Page
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Diagrams and Distance Charts
The following diagrams show the relationship between projector position and the screen. Refer to the chart below for data.
Distances are in inches. For millimeters multiply by 25.4.
Ceiling Mounted Configuration
Note: Mount shown is NEC HT40CM.
Distance charts for popular 16:9 screens
Minimum Lens Shift Maximum Lens Shift
Lens Ctr
*Factory Preset is B(max)
B(min)
B(max)
5.5"
Throw Distance
Lens Offset from
Mount Center
1.5"
C
6.6"
B
(min)
Diag
W
H
wide - tele
wide - tele
inches
inches
inches
inches
30
26
14.6
4.9
41.5 - 49.6
6.7 - 5.6
55
48
27
9.0
78.2 - 93.2
6.6 - 5.5
60
52.5
29.5
9.9
85.7 - 102.1
6.6 - 5.5
73
64
36
12.0
104.9 - 124.8
6.5 - 5.5
82.6
72
40.5
13.5
118.3 - 140.7
6.5 - 5.5
92
80
45
15.0
131.6 - 156.5
6.5 - 5.5
100
87
49
16.3
143.3 - 170.4
6.5 - 5.5
106
92
52
17.3
151.7 - 180.3
6.5 - 5.5
110
96
54
18.0
158.4 - 188.2
6.5 - 5.5
119
104
58.5
19.5
171.7 - 204.0
6.5 - 5.5
133
116
65
21.8
191.7 - 227.8
6.5 - 5.5
161
140
79
26.3
231.8 - 275.3
6.5 - 5.5
200
174
98
32.7
288.6 - 342.7
6.5 - 5.4
Screen Size (16:9)
C
inches
α
degrees
B
(max)
Diag
W
H
wide - tele
wide - tele
inches
inches
inches
inches
30
26
14.6
12.2
41.5 - 49.6
16.4 - 13.9
55
48
27
22.6
78.2 - 93.2
16.1 - 13.6
60
52.5
29.5
24.7
85.7 - 102.1
16.1 - 13.6
73
64
36
30.1
104.9 - 124.8
16.0 - 13.6
82.6
72
40.5
33.9
118.3 - 140.7
16.0 - 13.6
92
80
45
37.7
131.6 - 156.5
16.0 - 13.5
100
87
49
41.0
143.3 - 170.4
16.0 - 13.5
106
92
52
43.3
151.7 - 180.3
15.9 - 13.5
110
96
54
45.2
158.4 - 188.2
15.9 - 13.5
119
104
58.5
49.0
171.7 - 204.0
15.9 - 13.5
133
116
65
54.6
191.7 - 227.8
15.9 - 13.5
161
140
79
65.9
231.8 - 275.3
15.9 - 13.5
200
174
98
82.0
288.6 - 342.7
15.9 - 13.5
Screen Size (16:9)
C
inches
α
degrees
