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PX1005QL Installation Guide
Desktop and Ceiling Mount
Formulas: 16:9 Aspect Ratio (UHD)
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:
C = 0.794W – 1.85
NP16FL-4K:
C(Wide) = 1.269W – 2.091 ------ C(Tele) = 1.802W – 1.910
NP17ZL-4K:
C(Wide) = 1.748W – 2.673 ------ C(Tele) = 2.290W – 2.633
NP18ZL-4K:
C(Wide) = 2.241W – 3.150 ------ C(Tele) = 3.713W – 3.114
NP19ZL-4K:
C(Wide) = 3.618W – 5.319 ------ C(Tele) = 5.434W – 5.299
NP20ZL-4K:
C(Wide) = 5.412W – 11.622 ---- C(Tele) = 8.438W – 11.531
NP21ZL-4K:
C(Wide) = 0.768W – 1.795 ------ C(Tele) = 0.953W – 1.705
NP31ZL-4K:
NP39ML-4K:
Ultra-Short Throw lens (See page 3 for Formulas)
Distance Chart
Screen Size (16:9)
Diagonal Width(W) Height (H)
inches
inches
inches
30
26
15
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
299
261
147
www.necdisplay.com
Rear Lens
NP31ZL-4K
NP17ZL-4K
NP16FL-4K
0.74-0.93:1
1.24-1.78:1
0.76:1
inches
inches
inches
18.9
18.3 - 23.2
31.1 - 45.2
39.0
37.7 - 47.3
63.2 - 90.8
44.5
43.1 - 53.9
72.0 - 103.3
46.6
45.1 - 56.4
75.3 - 108.0
55.6
53.8 - 67.2
89.7 - 128.4
71.5
69.2 - 86.3
115.1 - 164.6
74.3
71.8 - 89.7
119.6 - 170.8
85.3
82.5 - 102.9 137.3 - 196.0
90.2
87.2 - 108.8 145.0 - 207.0
108.2
104.6 - 130.4 173.8 - 247.8
125.5
121.4 - 151.1 201.4 - 287.1
137.9
133.4 - 166.1 221.3 - 315.3
150.4
145.5 - 181.0 241.2 - 343.6
180.1
174.2 - 216.7 288.8 - 411.1
205.1
198.3 - 246.6 328.6 - 467.7
NEC Display Solutions of America, Inc.
Definitions:
W = Image Width
H = Image Height (size)
C = Throw distance
Zoom Lenses
NP18ZL-4K
NP19ZL-4K
1.71-2.25-1
2.20-3.67:1
inches
inches
43.0 - 57.2
55.4 - 94.0
87.2 - 115.1
112.1 - 187.8
99.4 - 131.1
127.7 - 213.7
104.0 - 137.1
133.6 - 223.4
123.8 - 163.0
159.0 - 265.5
158.8 - 208.9
203.9 - 339.9
164.9 - 216.9
211.7 - 352.9
189.3 - 248.8
242.9 - 404.6
199.9 - 262.8
256.6 - 427.3
239.6 - 314.7
307.4 - 511.4
277.6 - 364.6
356.2 - 592.3
305.1 - 400.5
391.4 - 650.6
332.5 - 436.5
426.5 - 708.8
398.0 - 522.3
510.5 - 848.0
452.8 - 594.1
580.8 - 964.5
PX1005QL
16:9 Screen Formulas
W = H x 16/9
H = W x 9/16
Screen Diagonal = W x 18.358/16
NP20ZL-4K
NP21ZL-4K
3.54-5.36:1
5.25-8.28:1
inches
inches
89.3 - 136.8
129.9 - 209.1
180.7 - 274.1
266.7 - 422.4
206.0 - 312.0
304.4 - 481.2
215.4 - 326.2
318.6 - 503.3
256.4 - 387.8
379.9 - 598.9
328.9 - 496.7
488.4 - 768.0
341.5 - 515.7
507.2 - 797.4
392.0 - 591.4
582.7 - 915.1
414.1 - 624.6
615.7 - 966.6
496.1 - 747.7
738.4 - 1157.8
574.9 - 866.1
856.3 - 1341.6
631.6 - 951.4
941.2 - 1474.0
688.4 - 1036.6 1026.1 - 1606.4
824.0 - 1240.3 1228.9 - 1922.6
937.5 - 1410.8 1398.7 - 2187.4
Page 2 of 12
Rev 1.2
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