NEC Display Solutions of America, Inc.
NP1250/NP2250/NP3250 Installation Guide
Desktop and Ceiling Mount
v 1.0
www.necdisplay.com
NP1250/NP2250/NP3250
Page 2 of 9
Projection Distance and Screen Size for Ceiling Mount
The following shows the proper relative positions of the projector and screen. Refer to the table to determine the position of
installation.
Distances are in inches. For millimeters multiply by 25.4.
Ceiling Mount Installation
Desktop Installation
Note:
Lens shift feature is not available with NP01FL
(rear lens) NP01FL should be used only for
“zero degree” / “no-offset” applications.
Distance Chart for popular 4:3 screens
Note:
For screen sizes not indicated on the projection tables, use the formulas on page 1.
Rear Lens
NP01FL
Diagonal Width(W) Height (H)
0.8:1
inches
inches
inches
inches
40
32
24
25.38
47.37 - 63.8
37.3 - 49.07
61.4
98.6
60
48
36
38.7
72.11 - 96.6
56.9 - 74.5
93.5 - 149.4
141.7 - 229.7
NA - NA
67
53.6
40.2
43.3
80.8 - 108.2
63.7 - 83.4
104.7 - 167.1
158.8 - 257.0
NA - NA
72
57.6
43.2
46.6
86.9 - 116.4
68.6 - 89.8
112.8 - 179.8
171.1 - 276.6
NA - NA
84
67.2
50.4
54.6
101.8 - 136.1
80.3 - 105.0 132.0 - 210.3
200.4 - 323.5
316.8 - 485.5
90
72
54
58.6
109.2 - 146.0
86.2 - 112.6 141.7 - 225.5
215.0 - 346.9
340.0 - 520.7
100
80
60
65.2
121.6 - 162.4
95.96 - 125.4 157.7 - 250.8
239.5 - 386.0
378.6 - 579.4
120
96
72
78.5
146.3 - 195.3
115.5 - 150.8 189.8 - 301.6
288.3 - 464.2
455.8 - 696.8
150
120
90
98.46
183.4 - 244.6
144.8 - 188.9 238.0 - 377.7
361.6 - 581.5
571.7 - 872.9
180
144
108
NA
220.5 - 294.0
174.2 - 227.1 286.2 - 453.8
434.9 - 698.7
687.5 - 1049.0
210
168
126
NA
257.6 - 343.3
203.5 - 265.2 334.3 - 529.9
508.2 - 816.0
803.4 - 1225.1
240
192
144
NA
294.7 - 392.6
232.8 - 303.4 382.5 - 606.0
581.5 - 933.3
919.3 - 1401.2
270
216
162
NA
331.8 - 442.0
262.2 - 341.5 430.7 - 682.1
654.8 - 1050.5 1035.1 - 1577.3
300
240
180
NA
368.9 - 491.3
291.5 - 379.7 478.8 - 758.2
728.1 - 1167.8 1151.0 - 1753.5
400
320
240
NA
492.6 - 655.7
389.2 - 506.8 639.4 - 1011.9
972.4 - 1558.7 1537.2 - 2340.5
500
400
300
NA
616.30 - 820.2
487.0 - 634.0 799.9
1265.6 1216.7 - 1949.6 1923.4 - 2927.5
inches
NA
inches
inches
NA
1.5 - 2.0:1
1.18 - 1.54:1
inches
inches
Screen Size (4:3)
2.98 - 4.77:1
Standard
NP02ZL
NP03ZL
NP04ZL
1.94 - 3.07:1
Zoom Lenses
NP05ZL
4.62 - 7.02:1
C
Screen Ctr
Throw Distance
Screen Bottom
3.45"
C
Screen Ctr
Throw Distance
Screen Top
X
7.72"
Shift Range
X=Distance from lens to mount ctr
NP01FL: X=7.99"
Standard: X=7.03"
NP03ZL: X=7.83"
NP04ZL: X=7.43"
NP05ZL: X=7.41"
Lens Offset From
Mount Pipe
3.30"
NP02ZL: X=7.78"
