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PX803UL Installation Guide
Desktop and Ceiling Mount
Formulas: 16:10 Aspect Ratio (WUXGA)
The Projection Formulas use the image width for calculation. Image width is the same for all aspect ratios, only vertical image size
varies. For proper projector placement, determine the image width for a desired screen size. Use the Screen Formulas below to
calculate all screen dimensions. Plug in the image width for "W" in the Projection Formulas.
Refer to the diagrams and charts for popular screen sizes on page 2 and 3:
Projection Formulas:
NP39ML:
C=0.351W-2.362
NP16FL:
C = 0.794W – 1.85
NP17ZL:
C(Wide) = 1.281W – 2.094 ------ C(Tele) = 1.825W – 1.913
NP18ZL:
C(Wide) = 1.764W – 2.677 ------ C(Tele) = 2.313W – 2.638
NP19ZL:
C(Wide) = 2.261W – 3.150 ------ C(Tele) = 3.747W – 3.114
NP20ZL:
C(Wide) = 3.654W – 5.319 ------ C(Tele) = 5.492W – 5.299
NP21ZL:
C(Wide) = 5.469W – 11.626 ---- C(Tele) = 8.527W – 11.531
NP31ZL:
C(Wide) = 0.775W – 1.839 ------ C(Tele) = 0.970W – 1.740
Distance Chart for popular 16:10 Screens (WUXGA)
Screen Size (16:10)
Diagonal Width(W) Height (H)
inches
inches
inches
40
34
21
60
51
32
68
58
36
72
61
38
85
72
45
108
92
57.5
113
96
60
130
110
69
137
116
72.5
164
139
87
189
160
100
208
176
110
226
192
120
270
229
143
300
254
159
500
424
265
Distance Chart using 16:9 native projector with 16:9 Image (1080p)
Screen Size (16:9)
Diagonal Width(W) Height (H)
inches
inches
inches
39
34
19
59
51
29
67
58
33
70
61
34
83
72
41
106
92
52
110
96
54
126
110
62
133
116
65
159
139
78
184
160
90
202
176
99
220
192
108
263
229
129
400
339
212
500
424
265
www.necdisplay.com
UST Lens Rear Lens
NP31ZL
NP39ML
NP16FL
0.75-0.93:1
0.38:1
0.76:1
inches
inches
inches
NA
24.83
24.2 - 30.9
NA
38.80
37.8 - 47.9
NA
43.88
42.8 - 54.1
NA
46.43
45.3 - 57.2
NA
55.32
54.0 - 68.1
29.93
71.20
69.5 - 87.5
31.33
74.37
72.6 - 91.4
36.39
85.81
83.7 - 105.3 139.3 - 199.6
38.35
90.25
88.1 - 110.8 146.5 - 209.8
46.50
108.67
106.0 - 133.3 176.2 - 252.1
53.80
125.19
122.2 - 153.5 202.9 - 290.1
59.41
137.89
134.6 - 169.0 223.4 - 319.3
65.03
150.60
147.0 - 184.5 243.9 - 348.5
77.95
179.82
175.5 - 220.2 291.0 - 415.6
86.79
NA
195.0 - 244.6 376.0 - 752.4
NA
NA
326.8 - 409.5 628.9 - 1257.3 1250.6
UST Lens Rear Lens
NP31ZL
NP39ML
NP16FL
0.75-0.93:1
0.38:1
0.76:1
inches
Inches
inches
NA
25.15
24.5 - 31.2
NA
38.64
37.7 - 47.7
NA
44.20
43.1 - 54.5
NA
46.58
45.4 - 57.4
NA
55.32
54.0 - 68.1
30
71.20
69.5 - 87.5
31
74.37
72.6 - 91.4
36
85.49
83.4 - 105.0 138.8 - 198.8
38
90.25
88.1 - 110.8 146.5 - 209.8
46
108.52
105.9 - 133.1 176.0 - 251.8
54
125.19
122.2 - 153.5 202.9 - 290.1
59
137.89
134.6 - 169.0 223.4 - 319.3
65
150.60
147.0 - 184.5 243.9 - 348.5
78
179.98
175.6 - 220.4 291.3 - 416.0
NA
NA
260.9 - 327.1 502.5 - 1004.9
NA
NA
326.8 - 409.5 628.9 - 1257.3 1250.6
NEC Display Solutions of America, Inc.
Definitions:
W = Image Width
H = Image Height (size)
C = Throw distance
Zoom Lenses
NP17ZL
NP18ZL
1.29-1.79:1
1.73-2.27-1
inches
inches
40.9 - 59.4
56.6 - 75.1
63.5 - 91.5
87.6 - 115.8
71.7 - 103.2
98.9 - 130.6
75.8 - 109.0
104.6 - 138.0
90.1 - 129.5
124.3 - 163.9
115.8 - 166.0
159.6 - 210.2
120.9 - 173.3
166.7 - 219.4
192.1 - 252.7
201.9 - 265.7
242.9 - 319.3
279.6 - 367.4
307.8 - 404.5
336.0 - 441.5
400.9 - 526.6
747.3 - 1198.4 1181.3 - 1826.5 1377.5 - 2154.3 1377.5 - 2154.3
2003.6 1977.1 - 3054.1 2307.2 - 3603.9 2307.2 - 3603.9
Zoom Lenses
NP17ZL
NP18ZL
1.29-1.79:1
1.73-2.27-1
inches
inches
41.5 - 60.1
57.3 - 76.0
63.2 - 91.2
87.3 - 115.3
72.2 - 103.9
99.6 - 131.5
76.0 - 109.4
104.9 - 138.5
90.1 - 129.5
124.3 - 163.9
115.8 - 166.0
159.6 - 210.2
120.9 - 173.3
166.7 - 219.4
191.4 - 251.8
201.9 - 265.7
242.5 - 318.9
279.6 - 367.4
307.8 - 404.5
336.0 - 441.5
401.3 - 527.0
998.9 - 1601.0 1579.2 - 2440.3
2003.6 1977.1 - 3054.1
PX803UL
16:10 Screen Formulas
W = H x 16/10
H = W x 10/16
Screen Diagonal = W x 18.868/16
16:9 Screen Formulas
W = H x 16/9
H = W x 9/16
Screen Diagonal = W x 18.358/16
NP19ZL
NP20ZL
2.22-3.67:1
3.60-5.40:1
inches
inches
72.8 - 122.8
117.5 - 179.2
112.6 - 188.7
181.8 - 275.9
127.1 - 212.7
205.2 - 311.0
134.3 - 224.7
216.8 - 328.6
159.6 - 266.7
257.8 - 390.1
204.9 - 341.6
330.8 - 500.0
213.9 - 356.6
345.5 - 521.9
246.5 - 410.6
398.1 - 601.0
259.1 - 431.5
418.5 - 631.8
311.6 - 518.5
503.3 - 759.2
358.6 - 596.4
579.3 - 873.4
394.8 - 656.4
637.8 - 961.3
431.0 - 716.3
696.2 - 1049.2 1038.4 - 1625.7
514.2 - 854.2
830.7 - 1251.3 1239.7 - 1939.4
NP19ZL
NP20ZL
2.22-3.67:1
3.60-5.40:1
inches
inches
73.7 - 124.3
118.9 - 181.4
112.2 - 188.0
181.0 - 274.8
128.0 - 214.2
206.6 - 313.2
134.8 - 225.5
217.6 - 329.7
159.6 - 266.7
257.8 - 390.1
204.9 - 341.6
330.8 - 500.0
213.9 - 356.6
345.5 - 521.9
245.6 - 409.1
396.6 - 598.8
259.1 - 431.5
418.5 - 631.8
311.1 - 517.7
502.6 - 758.1
358.6 - 596.4
579.3 - 873.4
394.8 - 656.4
637.8 - 961.3
431.0 - 716.3
696.2 - 1049.2 1038.4 - 1625.7
514.6 - 854.9
831.4 - 1252.4 1240.8 - 1941.2
1628.9 - 2879.1 1842.4 - 2879.1
2039.2 - 3603.9 2307.2 - 3603.9
Page 2 of 11
Rev 1.2
NP21ZL
5.30-8.30:1
inches
172.1 - 275.0
268.4 - 425.1
303.4 - 479.6
320.9 - 506.9
382.1 - 602.4
491.5 - 773.0
513.4 - 807.1
592.2 - 929.8
622.8 - 977.6
749.7 - 1175.4
863.4 - 1352.8
950.9 - 1489.2
NP21ZL
5.30-8.30:1
inches
174.3 - 278.4
267.3 - 423.3
305.6 - 483.0
322.0 - 508.6
382.1 - 602.4
491.5 - 773.0
513.4 - 807.1
590.0 - 926.4
622.8 - 977.6
748.6 - 1173.7
863.4 - 1352.8
950.9 - 1489.2
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