Appendix D: Throw Distance
D-14
013-100199-04
1.38 - 1.84
Zoom
Image
Diagonal
Image Width
(W)
Throw
Distance (TD)
MINIMUM ZOOM
Inch
cm Inch cm Inch cm
Throw Distance Formula
129.2
328.1 112.6 286 157.5 400.1
TD = 1.383 x W + 1.79
131.0
332.7 114.2 290 159.7 405.6
Where W = image width
(inch)
137.8
349.9 120.1 305 167.9 426.4
144.5
367.2 126.0 320 176.0 447.1
151.3
384.4 131.9 335 184.2 467.9
158.1
401.6 137.8 350 192.4 488.6
164.9
418.8 143.7 365 200.5 509.3
171.7
436.0 149.6 380 208.7 530.1
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.
178.4
453.2 155.5 395 216.9 550.8
185.2
470.4 161.4 410 225.0 571.6
192.0
487.6 167.3 425 233.2 592.3
198.8
504.8 173.2 440 241.4 613.1
205.5
522.0 179.1 455 249.5 633.8
212.3
539.3 185.0 470 257.7 654.6
219.1
556.5 190.9 485 265.9 675.3
225.9
573.7 196.9 500 274.0 696.0
232.6
590.9 202.8 515 282.2 716.8
239.4
608.1 208.7 530 290.4 737.5
246.2
625.3 214.6 545 298.5 758.3
253.0
642.5 220.5 560 306.7 779.0
259.7
659.7 226.4 575 314.9 799.8
266.5
676.9 232.3 590 323.0 820.5
273.3
694.1 238.2 605 331.2 841.3
280.1
711.4 244.1 620 339.4 862.0
286.8
728.6 250.0 635 347.5 882.8
293.6
745.8 255.9 650 355.7 903.5
300.4
763.0 261.8 665 363.9 924.2
307.2
780.2 267.7 680 372.0 945.0
313.9
797.4 273.6 695 380.2 965.7
320.7
814.6 279.5 710 388.4 986.5
327.5
831.8 285.4 725 396.5 1007.2
334.3
849.0 291.3 740 404.7 1028.0
341.0
866.2 297.2 755 412.9 1048.7
347.8
883.5 303.1 770 421.0 1069.5
354.6
900.7 309.1 785 429.2 1090.2
361.4
917.9 315.0 800 437.4 1110.9
368.1
935.1 320.9 815 445.5 1131.7
374.9
952.3 326.8 830 453.7 1152.4
381.7
969.5 332.7 845 461.9 1173.2
388.5
986.7 338.6 860 470.0 1193.9
395.2
1003.9 344.5 875 478.2 1214.7
402.0
1021.1 350.4 890 486.4 1235.4
408.8
1038.3 356.3 905 494.6 1256.2
415.6
1055.6 362.2 920 502.7 1276.9
422.3
1072.8 368.1 935 510.9 1297.7
429.1
1090.0 374.0 950 519.1 1318.4
435.9
1107.2 379.9 965 527.2 1339.1
442.7
1124.4 385.8 980 535.4 1359.9
449.5
1141.6 391.7 995 543.6 1380.6
456.2
1158.8 397.6 1010 551.7 1401.4
463.0
1176.0 403.5 1025 559.9 1422.1
469.8
1193.2 409.4 1040 568.1 1442.9
476.6
1210.4 415.4 1055 576.2 1463.6
483.3
1227.7 421.3 1070 584.4 1484.4
490.1
1244.9 427.2 1085 592.6 1505.1
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