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Throw Distance
Roadster & Mirage S+/HD User Manual
D-21
020-100002-04 Rev. 1 (12-2008)
1.84 - 2.58
Zoom
Image
Diagonal
Image Width
(W)
Throw
Distance (TD)
MAXIMUM ZOOM
Inch
cm Inch cm Inch cm
Throw Distance Formula
71.4
181.3 62.2 158 159.3 404.6
TD = 2.597 x W - 2.2662
72.3
183.6 63.0 160 161.3 409.8
Where W = image width (inch)
79.0
200.8 68.9 175 176.7 448.7
85.8
218.0 74.8 190 192.0 487.7
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.
92.6
235.2 80.7 205 207.3 526.6
99.4
252.4 86.6 220 222.7 565.6
106.2
269.6 92.5 235 238.0 604.5
112.9
286.8 98.4 250 253.3 643.5
119.7
304.0 104.3 265 268.7 682.4
126.5
321.3 110.2 280 284.0 721.4
133.3
338.5 116.1 295 299.4 760.4
140.0
355.7 122.0 310 314.7 799.3
146.8
372.9 128.0 325 330.0 838.3
153.6
390.1 133.9 340 345.4 877.2
160.4
407.3 139.8 355 360.7 916.2
167.1
424.5 145.7 370 376.0 955.1
173.9
441.7 151.6 385 391.4 994.1
180.7
458.9 157.5 400 406.7 1033.0
187.5
476.1 163.4 415 422.0 1072.0
194.2
493.4 169.3 430 437.4 1111.0
201.0
510.6 175.2 445 452.7 1149.9
207.8
527.8 181.1 460 468.1 1188.9
214.6
545.0 187.0 475 483.4 1227.8
221.3
562.2 192.9 490 498.7 1266.8
228.1
579.4 198.8 505 514.1 1305.7
234.9
596.6 204.7 520 529.4 1344.7
241.7
613.8 210.6 535 544.7 1383.6
248.4
631.0 216.5 550 560.1 1422.6
255.2
648.2 222.4 565 575.4 1461.5
262.0
665.5 228.3 580 590.7 1500.5
268.8
682.7 234.3 595 606.1 1539.5
275.5
699.9 240.2 610 621.4 1578.4
282.3
717.1 246.1 625 636.8 1617.4
289.1
734.3 252.0 640 652.1 1656.3
295.9
751.5 257.9 655 667.4 1695.3
302.6
768.7 263.8 670 682.8 1734.2
309.4
785.9 269.7 685 698.1 1773.2
316.2
803.1 275.6 700 713.4 1812.1
323.0
820.4 281.5 715 728.8 1851.1
329.7
837.6 287.4 730 744.1 1890.1
336.5
854.8 293.3 745 759.5 1929.0
343.3
872.0 299.2 760 774.8 1968.0
350.1
889.2 305.1 775 790.1 2006.9
356.9
906.4 311.0 790 805.5 2045.9
363.6
923.6 316.9 805 820.8 2084.8
370.4
940.8 322.8 820 836.1 2123.8
377.2
958.0 328.7 835 851.5 2162.7
384.0
975.2 334.6 850 866.8 2201.7
390.7
992.5 340.6 865 882.1 2240.6
397.5
1009.7 346.5 880 897.5 2279.6
404.3
1026.9 352.4 895 912.8 2318.6
411.1
1044.1 358.3 910 928.2 2357.5
417.8
1061.3 364.2 925 943.5 2396.5
419.2
1064.7 365.4 928 946.6 2404.3