Appendix D: Throw Distance
D-16
013-100199-04
1.38 - 1.84
Zoom
Image
Diagonal
Image Width
(W)
Throw
Distance (TD)
MAXIMUM ZOOM
Inch
cm Inch cm Inch cm
Throw Distance Formula
94.9
240.9 82.7 210.0 157.2 399.3
TD = 1.884 x W + 1.44
101.6
258.2 88.6 225.0 168.3 427.6
Where W = image width (inch
)
108.4
275.4 94.5 240.0 179.5 455.8
115.2
292.6 100.4 255.0 190.6 484.1
122.0
309.8 106.3 270.0 201.7 512.3
128.7
327.0 112.2 285.0 212.8 540.6
135.5
344.2 118.1 300.0 224.0 568.9
142.3
361.4 124.0 315.0 235.1 597.1
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.
149.1
378.6 129.9 330.0 246.2 625.4
155.8
395.8 135.8 345.0 257.3 653.6
162.6
413.0 141.7 360.0 268.5 681.9
169.4
430.3 147.6 375.0 279.6 710.2
176.2
447.5 153.5 390.0 290.7 738.4
182.9
464.7 159.4 405.0 301.8 766.7
189.7
481.9 165.4 420.0 313.0 794.9
196.5
499.1 171.3 435.0 324.1 823.2
203.3
516.3 177.2 450.0 335.2 851.5
210.0
533.5 183.1 465.0 346.3 879.7
216.8
550.7 189.0 480.0 357.5 908.0
223.6
567.9 194.9 495.0 368.6 936.2
230.4
585.1 200.8 510.0 379.7 964.5
237.1
602.4 206.7 525.0 390.8 992.8
243.9
619.6 212.6 540.0 402.0 1021.0
250.7
636.8 218.5 555.0 413.1 1049.3
257.5
654.0 224.4 570.0 424.2 1077.5
264.3
671.2 230.3 585.0 435.4 1105.8
271.0
688.4 236.2 600.0 446.5 1134.1
277.8
705.6 242.1 615.0 457.6 1162.3
284.6
722.8 248.0 630.0 468.7 1190.6
291.4
740.0 253.9 645.0 479.9 1218.8
298.1
757.2 259.8 660.0 491.0 1247.1
304.9
774.5 265.7 675.0 502.1 1275.4
311.7
791.7 271.7 690.0 513.2 1303.6
318.5
808.9 277.6 705.0 524.4 1331.9
325.2
826.1 283.5 720.0 535.5 1360.1
332.0
843.3 289.4 735.0 546.6 1388.4
338.8
860.5 295.3 750.0 557.7 1416.7
345.6
877.7 301.2 765.0 568.9 1444.9
352.3
894.9 307.1 780.0 580.0 1473.2
359.1
912.1 313.0 795.0 591.1 1501.4
365.9
929.3 318.9 810.0 602.2 1529.7
372.7
946.6 324.8 825.0 613.4 1558.0
379.4
963.8 330.7 840.0 624.5 1586.2
386.2
981.0 336.6 855.0 635.6 1614.5
393.0
998.2 342.5 870.0 646.7 1642.7
399.8
1015.4 348.4 885.0 657.9 1671.0
406.5
1032.6 354.3 900.0 669.0 1699.3
413.3
1049.8 360.2 915.0 680.1 1727.5
420.1
1067.0 366.1 930.0 691.3 1755.8
426.9
1084.2 372.0 945.0 702.4 1784.0
433.6
1101.5 378.0 960.0 713.5 1812.3
440.4
1118.7 383.9 975.0 724.6 1840.6
447.2
1135.9 389.8 990.0 735.8 1868.8
454.0
1153.1 395.7 1005.0 746.9 1897.1
460.7
1170.3 401.6 1020.0 758.0 1925.3
Summary of Contents for 1920-DX
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