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NEC Display Solutions of America, Inc.
PX700W/PX750U/PX800X Installation Guide
Desktop and Ceiling Mount Rev 1.4
www.necdisplay.com PX700W/PX750U/PX800X Page 2 of 13
Formulas: 16:10 Aspect Ratio (PX700W—WXGA)
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: 16:10 Screen Formulas
NP06FL: C = 0.817W – 1.54 W = Image Width W = H x 16/10
NP07ZL: C(Wide) = 1.379W – 1.952 ------ C(Tele) = 1.854W – 1.809 H = Image Height (size) H = W x 10/16
NP08ZL: C(Wide) = 1.844W – 2.362 ------ C(Tele) = 2.435W – 2.461 C = Throw distance Screen Diagonal = W x 18.868/16
NP09ZL: C(Wide) = 2.338W – 4.147 ------ C(Tele) = 4.639W – 4.175 16:9 Screen Formulas
NP10ZL: C(Wide) = 4.580W – 5.415 ------ C(Tele) = 8.603W – 5.352 W = H x 16/9
NP31ZL: C(Wide) = 0.812W – 2.099 ------ C(Tele) = 1.017W – 1.992 H = W x 9/16
Screen Diagonal = W x 18.358/16
Distance Chart for popular 16:10 Screens (WXGA)
Distance Chart using 16:10 native projector with 16:9 Image (720p)
Rear Lens
NP16FL
Diagonal
Width(W)
Height (H) 0.76:1
inches inches inches inches
40 34 21 24.83 25.2 - 32.2 44.4 - 60.5 59.6 - 79.4 74.1 - 151.7 148.5 - 208.2
60 51 32 38.80 39.5 - 50.1 68.7 - 93.1 92.1 - 122.2 115.3 - 233.3 229.1 - 328.5
68 58 36 43.88 44.7 - 56.6 77.5 - 105.0 103.9 - 137.8 130.3 - 263.0 258.4 - 372.2
72 61 38 46.43 47.3 - 59.8 81.9 - 110.9 109.8 - 145.6 137.7 - 277.9 273.0 - 394.0
85 72 45 55.32 56.4 - 71.2 97.3 - 131.7 130.4 - 172.9 163.9 - 329.8 324.3 - 470.5
108 92 57.5 71.20 72.6 - 91.6 124.9 - 168.8 167.3 - 221.6 210.7 - 422.6 415.9 - 607.2
113 96 60 74.37 75.9 - 95.6 130.4 - 176.2 174.7 - 231.3 220.0 - 441.2 434.3 - 634.5
130 110 69 85.81 87.5 - 110.3 150.3 - 202.9 201.2 - 266.4 253.7 - 508.0 500.2 - 732.9
137 116 72.5 90.25 92.1 - 116.0 158.0 - 213.3 211.5 - 280.0 266.8 - 533.9 525.9 - 771.1
164 139 87 108.67 110.9 - 139.6 190.0 - 256.3 254.3 - 336.5 321.0 - 641.6 632.1 - 929.6
189 160 100 125.19 127.8 - 160.7 218.7 - 294.8 292.7 - 387.1 369.7 - 738.1 727.4 - 1071.7
208 176 110 137.89 140.8 - 177.0 240.8 - 324.5 322.2 - 426.1 407.1 - 812.3 800.7 - 1181.0
226 192 120 150.60 153.8 - 193.3 262.8 - 354.2 351.7 - 465.1 444.5 - 886.5 873.9 - 1290.2
270 229 143 179.82 183.7 - 230.7 313.6 - 422.4 419.5 - 554.7 530.5 - 1057.2 1042.5 - 1541.6
inches
inches
inches
1.78-2.35-1
Screen Size (16:10)
2.22-4.43:1
NP31ZL
NP07ZL
NP08ZL
NP09ZL
Zoom Lenses
0.75-0.93:1
1.33-1.79:1
inches
inches
NP10ZL
4.43-8.30:1
Rear Lens
NP06FL
Diagonal
Width(W)
Height (H) 0.76:1
inches inches inches inches
39 34 19 26.24 25.5 - 32.6 44.9 - 61.2 60.3 80.3 75.3 - 153.6 150.3 - 287.2
59 51 29 40.13 39.3 - 49.9 68.4 - 92.7 91.7 - 121.7 115.1 - 232.4 228.2 - 433.4
67 58 33 45.85 45.0 - 57.0 78.0 - 105.7 104.6 - 138.8 131.5 - 264.9 260.2 - 493.6
70 61 34 48.30 47.4 - 60.0 82.2 - 111.3 110.1 - 146.1 138.5 - 278.8 274.0 - 519.4
83 72 41 57.28 56.4 - 71.2 97.3 - 131.7 130.4 - 172.9 164.2 - 329.8 324.3 - 614.1
106 92 52 73.62 72.6 - 91.6 124.9 - 168.8 167.3 - 221.6 210.9 - 422.6 415.9 - 786.1
110 96 54 76.89 75.9 - 95.6 130.4 - 176.2 174.7 - 231.3 220.3 - 441.2 434.3 - 820.5
126 110 62 88.33 87.2 - 109.9 149.7 - 202.1 200.5 - 265.4 253.0 - 506.1 498.4 - 941.0
133 116 65 93.23 92.1 - 116.0 158.0 - 213.3 211.5 - 280.0 267.1 - 533.9 525.9 - 992.6
159 139 78 112.02 110.8 - 139.4 189.7 - 255.9 254.0 - 336.0 320.8 - 640.6 631.2 - 1190.5
184 160 90 129.18 127.8 - 160.7 218.7 - 294.8 292.7 - 387.1 369.9 - 738.1 727.4 - 1371.1
202 176 99 142.25 140.8 - 177.0 240.8 - 324.5 322.2 - 426.1 407.3 - 812.3 800.7 - 1508.8
220 192 108 155.32 153.8 - 193.3 262.8 - 354.2 351.7 - 465.1 444.7 - 886.5 873.9 - 1646.4
263 229 129 185.55 183.8 - 230.9 313.8 - 422.8 419.9 - 555.2 531.3 - 1058.2 1043.4 - 1964.7
0.75-0.93:1
1.33-1.79:1
inches
inches
NP10ZL
4.43-8.30:1
inches
inches
inches
Screen Size (16:9)
2.22-3.67:1
NP31ZL
NP07ZL
NP08ZL
NP09ZL
1.78-2.35-1
Zoom Lenses