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Throw Distance
Roadster & Mirage S+/HD User Manual
D-25
020-100002-04 Rev. 1 (12-2008)
4.15 - 6.74
Zoom
Image
Diagonal
Image Width
(W)
Throw
Distance (TD)
MINIMUM ZOOM
Inch
cm Inch cm Inch cm
Throw Distance Formula
130.1
330.4 113.4 288 474.7 1205.9
TD = 4.081 x W + 12.018
131.0
332.7 114.2 290 478.0 1214.0
Where W = image width (inch)
137.8
349.9 120.1 305 502.1 1275.2
144.5
367.2 126.0 320 526.2 1336.4
NOTE:
The TD formula is provided in
inches, but the chart shows values in
cm and inches for easy reference.
Make sure you are using the correct
unit of measurement when calculating
throw distance.
151.3
384.4 131.9 335 550.3 1397.7
158.1
401.6 137.8 350 574.4 1458.9
164.9
418.8 143.7 365 598.5 1520.1
171.7
436.0 149.6 380 622.6 1581.3
178.4
453.2 155.5 395 646.7 1642.5
185.2
470.4 161.4 410 670.8 1703.7
192.0
487.6 167.3 425 694.9 1765.0
198.8
504.8 173.2 440 719.0 1826.2
205.5
522.0 179.1 455 743.1 1887.4
212.3
539.3 185.0 470 767.2 1948.6
219.1
556.5 190.9 485 791.3 2009.8
225.9
573.7 196.9 500 815.4 2071.0
232.6
590.9 202.8 515 839.5 2132.2
239.4
608.1 208.7 530 863.6 2193.5
246.2
625.3 214.6 545 887.7 2254.7
253.0
642.5 220.5 560 911.8 2315.9
259.7
659.7 226.4 575 935.9 2377.1
266.5
676.9 232.3 590 960.0 2438.3
273.3
694.1 238.2 605 984.1 2499.5
280.1
711.4 244.1 620 1008.2 2560.7
286.8
728.6 250.0 635 1032.3 2622.0
293.6
745.8 255.9 650 1056.4 2683.2
300.4
763.0 261.8 665 1080.5 2744.4
307.2
780.2 267.7 680 1104.6 2805.6
313.9
797.4 273.6 695 1128.7 2866.8
320.7
814.6 279.5 710 1152.8 2928.0
327.5
831.8 285.4 725 1176.9 2989.3
334.3
849.0 291.3 740 1201.0 3050.5
341.0
866.2 297.2 755 1225.1 3111.7
347.8
883.5 303.1 770 1249.2 3172.9
354.6
900.7 309.1 785 1273.3 3234.1
361.4
917.9 315.0 800 1297.4 3295.3
368.1
935.1 320.9 815 1321.5 3356.5
374.9
952.3 326.8 830 1345.6 3417.8
381.7
969.5 332.7 845 1369.7 3479.0
388.5
986.7 338.6 860 1393.8 3540.2
395.2
1003.9 344.5 875 1417.9 3601.4
402.0
1021.1 350.4 890 1442.0 3662.6
408.8
1038.3 356.3 905 1466.1 3723.8
415.6
1055.6 362.2 920 1490.2 3785.0
422.3
1072.8 368.1 935 1514.3 3846.3
429.1
1090.0 374.0 950 1538.4 3907.5
435.9
1107.2 379.9 965 1562.5 3968.7
442.7
1124.4 385.8 980 1586.6 4029.9
449.5
1141.6 391.7 995 1610.7 4091.1
456.2
1158.8 397.6 1010 1634.8 4152.3
463.0
1176.0 403.5 1025 1658.9 4213.6
469.8
1193.2 409.4 1040 1683.0 4274.8
476.6
1210.4 415.4 1055 1707.1 4336.0
483.3
1227.7 421.3 1070 1731.2 4397.2