NEC Display Solutions of America, Inc.
PX1005QL Installation Guide
Desktop and Ceiling Mount Rev 1.2
www.necdisplay.com PX1005QL Page 2 of 12
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: Definitions: 16:9 Screen Formulas
NP16FL-4K: C = 0.794W – 1.85 W = Image Width W = H x 16/9
NP17ZL-4K: C(Wide) = 1.269W – 2.091 ------ C(Tele) = 1.802W – 1.910 H = Image Height (size) H = W x 9/16
NP18ZL-4K: C(Wide) = 1.748W – 2.673 ------ C(Tele) = 2.290W – 2.633 C = Throw distance Screen Diagonal = W x 18.358/16
NP19ZL-4K: C(Wide) = 2.241W – 3.150 ------ C(Tele) = 3.713W – 3.114
NP20ZL-4K: C(Wide) = 3.618W – 5.319 ------ C(Tele) = 5.434W – 5.299
NP21ZL-4K: C(Wide) = 5.412W – 11.622 ---- C(Tele) = 8.438W – 11.531
NP31ZL-4K: C(Wide) = 0.768W – 1.795 ------ C(Tele) = 0.953W – 1.705
NP39ML-4K: Ultra-Short Throw lens (See page 3 for Formulas)
Distance Chart
Rear Lens
NP16FL-4K
Diagonal
inches inches inches inches
30 26 15 18.9 18.3 - 23.2 31.1 - 45.2 43.0 - 57.2 55.4 - 94.0 89.3 - 136.8 129.9 - 209.1
59 51 29 39.0 37.7 - 47.3 63.2 - 90.8 87.2 - 115.1 112.1 - 187.8 180.7 - 274.1 266.7 - 422.4
67 58 33 44.5 43.1 - 53.9 72.0 - 103.3 99.4 - 131.1 127.7 - 213.7 206.0 - 312.0 304.4 - 481.2
70 61 34 46.6 45.1 - 56.4 75.3 - 108.0 104.0 - 137.1 133.6 - 223.4 215.4 - 326.2 318.6 - 503.3
83 72 41 55.6 53.8 - 67.2 89.7 - 128.4 123.8 - 163.0 159.0 - 265.5 256.4 - 387.8 379.9 - 598.9
106 92 52 71.5 69.2 - 86.3 115.1 - 164.6 158.8 - 208.9 203.9 - 339.9 328.9 - 496.7 488.4 - 768.0
110 96 54 74.3 71.8 - 89.7 119.6 - 170.8 164.9 - 216.9 211.7 - 352.9 341.5 - 515.7 507.2 - 797.4
126 110 62 85.3 82.5 - 102.9 137.3 - 196.0 189.3 - 248.8 242.9 - 404.6 392.0 - 591.4 582.7 - 915.1
133 116 65 90.2 87.2 - 108.8 145.0 - 207.0 199.9 - 262.8 256.6 - 427.3 414.1 - 624.6 615.7 - 966.6
159 139 78 108.2 104.6 - 130.4 173.8 - 247.8 239.6 - 314.7 307.4 - 511.4 496.1 - 747.7 738.4 - 1157.8
184 160 90 125.5 121.4 - 151.1 201.4 - 287.1 277.6 - 364.6 356.2 - 592.3 574.9 - 866.1 856.3 - 1341.6
202 176 99 137.9 133.4 - 166.1 221.3 - 315.3 305.1 - 400.5 391.4 - 650.6 631.6 - 951.4 941.2 - 1474.0
220 192 108 150.4 145.5 - 181.0 241.2 - 343.6 332.5 - 436.5 426.5 - 708.8 688.4 - 1036.6 1026.1 - 1606.4
263 229 129 180.1 174.2 - 216.7 288.8 - 411.1 398.0 - 522.3 510.5 - 848.0 824.0 - 1240.3 1228.9 - 1922.6
299 261 147 205.1 198.3 - 246.6 328.6 - 467.7 452.8 - 594.1 580.8 - 964.5 937.5 - 1410.8 1398.7 - 2187.4
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