Appendix D: Throw Distance
D-12
020-100001-01 Rev. 01 (04/07)
1.1:1 FP Fixed
Lens
Image
Diagonal
Image Width
(W)
Throw
Distance (TD)
Throw Distance Formula
Inch
cm Inch cm Inch cm
TD = 1.145 x W + 3.76
114.7
291.4 100.0 254.0 118.3 300.4
Where W = image width
(inch)
122.0
309.8 106.3 270.0 125.5 318.7
128.7
327.0 112.2 285.0 132.2 335.9
135.5
344.2 118.1 300.0 139.0 353.1
142.3
361.4 124.0 315.0 145.8 370.2
149.1
378.6 129.9 330.0 152.5 387.4
155.8
395.8 135.8 345.0 159.3 404.6
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.
162.6
413.0 141.7 360.0 166.0 421.8
169.4
430.3 147.6 375.0 172.8 438.9
176.2
447.5 153.5 390.0 179.6 456.1
182.9
464.7 159.4 405.0 186.3 473.3
189.7
481.9 165.4 420.0 193.1 490.5
196.5
499.1 171.3 435.0 199.9 507.6
203.3
516.3 177.2 450.0 206.6 524.8
210.0
533.5 183.1 465.0 213.4 542.0
216.8
550.7 189.0 480.0 220.1 559.2
223.6
567.9 194.9 495.0 226.9 576.3
230.4
585.1 200.8 510.0 233.7 593.5
237.1
602.4 206.7 525.0 240.4 610.7
243.9
619.6 212.6 540.0 247.2 627.9
250.7
636.8 218.5 555.0 253.9 645.0
257.5
654.0 224.4 570.0 260.7 662.2
264.3
671.2 230.3 585.0 267.5 679.4
271.0
688.4 236.2 600.0 274.2 696.6
277.8
705.6 242.1 615.0 281.0 713.7
284.6
722.8 248.0 630.0 287.8 730.9
291.4
740.0 253.9 645.0 294.5 748.1
298.1
757.2 259.8 660.0 301.3 765.3
304.9
774.5 265.7 675.0 308.0 782.4
311.7
791.7 271.7 690.0 314.8 799.6
318.5
808.9 277.6 705.0 321.6 816.8
325.2
826.1 283.5 720.0 328.3 834.0
332.0
843.3 289.4 735.0 335.1 851.1
338.8
860.5 295.3 750.0 341.9 868.3
345.6
877.7 301.2 765.0 348.6 885.5
352.3
894.9 307.1 780.0 355.4 902.7
359.1
912.1 313.0 795.0 362.1 919.8
365.9
929.3 318.9 810.0 368.9 937.0
372.7
946.6 324.8 825.0 375.7 954.2
379.4
963.8 330.7 840.0 382.4 971.4
386.2
981.0 336.6 855.0 389.2 988.5
393.0
998.2 342.5 870.0 395.9 1005.7
399.8
1015.4 348.4 885.0 402.7 1022.9
406.5
1032.6 354.3 900.0 409.5 1040.1
413.3
1049.8 360.2 915.0 416.2 1057.2
420.1
1067.0 366.1 930.0 423.0 1074.4
426.9
1084.2 372.0 945.0 429.8 1091.6
433.6
1101.5 378.0 960.0 436.5 1108.8
440.4
1118.7 383.9 975.0 443.3 1125.9
447.2
1135.9 389.8 990.0 450.0 1143.1
454.0
1153.1 395.7 1005.0 456.8 1160.3
460.7
1170.3 401.6 1020.0 463.6 1177.5
467.5
1187.5 407.5 1035.0 470.3 1194.6
474.3
1204.7 413.4 1050.0 477.1 1211.8
481.1
1221.9 419.3 1065.0 483.8 1229.0
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