NEC LT265 LT245/265 UM - Page 22

Throw Distance and Screen Size The following shows the proper relative positions of the projector and screen. Refer to the table to determine the position of installation. Distance Chart B = Vertical distance between lens center and screen center C = Throw distance D = Vertical distance between lens center and bottom of screen (top of screen for ceiling application) α = Throw angle Screen Height NOTE: Distances may vary +/-5%. 2. Installation and Connections Screen Width Screen Diagonal Screen center (B) Screen Bottom (D) Lens Center Throw Angle (Ͱ) Throw Distance (C) LT265 Screen Size Diagonal inch 30 40 60 67 72 80 84 90 100 120 150 180 200 210 240 261 270 300 350 400 450 500 Width inch 24 32 48 54 58 64 67 72 80 96 120 144 160 168 192 209 216 240 280 320 360 400 Height inch 18 24 36 40 43 48 50 54 60 72 90 108 120 126 144 157 162 180 210 240 270 300 B inch 12.6 16.8 25.2 28.1 30.2 33.6 35.3 37.8 42.0 50.4 63.0 75.6 84.0 88.2 100.8 109.7 113.5 126.1 147.1 168.1 189.1 210.1 LT245 Screen Size Diagonal inch 30 40 60 67 72 80 84 90 100 120 150 180 200 210 240 261 270 300 350 400 450 500 Width inch 24 32 48 54 58 64 67 72 80 96 120 144 160 168 192 209 216 240 280 320 360 400 Height inch 18 24 36 40 43 48 50 54 60 72 90 108 120 126 144 157 162 180 210 240 270 300 B inch 12.5 16.7 25.1 28.1 30.2 33.5 35.2 37.7 41.9 50.3 62.9 75.5 83.9 88.1 100.7 109.5 113.3 125.9 146.9 167.9 188.9 209.9 C Wide - Tele inch 45.6 - 56.0 61.5 - 75.4 93.5 - 114.1 104.7 - 127.7 112.7 - 137.4 125.5 - 152.9 131.9 - 160.6 141.5 - 172.2 157.4 - 191.6 189.4 - 230.3 237.3 - 288.4 285.3 - 346.6 317.2 - 385.3 333.2 - 404.7 381.2 - 462.8 414.7 - 503.4 429.1 - 520.9 477.0 - 579.0 557.0 - 675.8 636.9 - 772.7 716.8 - 869.5 796.7 - 966.4 D inch 3.6 4.8 7.2 8.0 8.6 9.6 10.1 10.8 12.0 14.4 18.0 21.6 24.0 25.2 28.8 31.4 32.5 36.1 42.1 48.1 54.1 60.1 α Wide - Tele degree 15.4 - 12.7 15.3 - 12.6 15.1 - 12.5 15.0 - 12.4 15.0 - 12.4 15.0 - 12.4 15.0 - 12.4 15.0 - 12.4 14.9 - 12.4 14.9 - 12.3 14.9 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 C Wide - Tele inch 35.7 - 43.3 48.2 - 58.4 73.3 - 88.5 82.1 - 99.1 88.4 - 106.6 98.5 - 118.7 103.5 - 124.7 111.0 - 133.7 123.6 - 148.8 148.7 - 178.9 186.3 - 224.1 224.0 - 269.3 249.1 - 299.5 261.7 - 314.5 299.3 - 359.7 325.7 - 391.4 337.0 - 405.0 374.6 - 450.2 437.4 - 525.5 500.2 - 600.8 563.0 - 676.2 625.7 - 751.5 D inch 3.5 4.7 7.1 8.0 8.6 9.5 10.0 10.7 11.9 14.3 17.9 21.5 23.9 25.1 28.7 31.2 32.3 35.9 41.9 47.9 53.9 59.9 α Wide - Tele degree 19.4 - 16.2 19.1 - 16.0 18.9 - 15.9 18.9 - 15.8 18.8 - 15.8 18.8 - 15.8 18.8 - 15.8 18.8 - 15.8 18.7 - 15.7 18.7 - 15.7 18.7 - 15.7 18.6 - 15.7 18.6 - 15.7 18.6 - 15.7 18.6 - 15.6 18.6 - 15.6 18.6 - 15.6 18.6 - 15.6 18.6 - 15.6 18.6 - 15.6 18.5 - 15.6 18.5 - 15.6 Screen Size Diagonal Width inch mm 30 762 40 1016 60 1524 67 1702 72 1829 80 2032 84 2134 90 2286 100 2540 120 3048 150 3810 180 4572 200 5080 210 5334 240 6096 261 6629 270 6858 300 7620 350 8890 400 10160 450 11430 500 12700 mm 610 813 1219 1361 1463 1626 1707 1829 2032 2438 3048 3658 4064 4267 4877 5304 5486 6096 7112 8128 9144 10160 Screen Size Diagonal Width inch mm 30 762 40 1016 60 1524 67 1702 72 1829 80 2032 84 2134 90 2286 100 2540 120 3048 150 3810 180 4572 200 5080 210 5334 240 6096 261 6629 270 6858 300 7620 350 8890 400 10160 450 11430 500 12700 mm 610 813 1219 1361 1463 1626 1707 1829 2032 2438 3048 3658 4064 4267 4877 5304 5486 6096 7112 8128 9144 10160 15 Height mm 457 610 914 1021 1097 1219 1280 1372 1524 1829 2286 2743 3048 3200 3658 3978 4115 4572 5334 6096 6858 7620 B mm 320 427 640 714 768 853 896 960 1067 1280 1601 1921 2134 2241 2562 2786 2882 3202 3736 4270 4804 5337 C Wide - Tele mm 1,157 - 1,423 1,563 - 1,915 2,375 - 2,899 2,659 - 3,243 2,862 - 3,489 3,187 - 3,883 3,349 - 4,080 3,593 - 4,375 3,999 - 4,867 4,811 - 5,851 6,028 - 7,327 7,246 - 8,802 8,058 - 9,786 8,464 -10,278 9,682 -11,754 10,534 -12,787 10,899 -13,230 12,117 -14,706 14,147 -17,166 16,176 -19,626 18,206 -22,086 20,235 -24,545 D mm 91 122 183 204 219 244 256 274 305 366 458 549 610 641 733 797 824 916 1069 1222 1375 1527 α Wide - Tele degree 15.4 - 12.7 15.3 - 12.6 15.1 - 12.5 15.0 - 12.4 15.0 - 12.4 15.0 - 12.4 15.0 - 12.4 15.0 - 12.4 14.9 - 12.4 14.9 - 12.3 14.9 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 14.8 - 12.3 Height mm 457 610 914 1021 1097 1219 1280 1372 1524 1829 2286 2743 3048 3200 3658 3978 4115 4572 5334 6096 6858 7620 B mm 319 425 639 713 766 852 894 958 1065 1278 1598 1918 2132 2238 2558 2782 2878 3198 3731 4264 4798 5331 C Wide - Tele mm 906 - 1,100 1,225 - 1,483 1,863 - 2,248 2,086 - 2,516 2,246 - 2,707 2,501 - 3,014 2,628 - 3,167 2,820 - 3,396 3,139 - 3,779 3,776 - 4,545 4,733 - 5,693 5,689 - 6,841 6,327 - 7,607 6,646 - 7,989 7,603 - 9,137 8,272 - 9,941 8,559 -10,286 9,516 -11,434 11,110 -13,348 12,705 -15,261 14,299 -17,175 15,893 -19,089 D mm 90 120 181 203 218 242 254 273 303 364 455 547 608 638 729 793 821 912 1064 1216 1369 1521 α Wide - Tele degree 19.4 - 16.2 19.1 - 16.0 18.9 - 15.9 18.9 - 15.8 18.8 - 15.8 18.8 - 15.8 18.8 - 15.8 18.8 - 15.8 18.7 - 15.7 18.7 - 15.7 18.7 - 15.7 18.6 - 15.7 18.6 - 15.7 18.6 - 15.7 18.6 - 15.6 18.6 - 15.6 18.6 - 15.6 18.6 - 15.6 18.6 - 15.6 18.6 - 15.6 18.5 - 15.6 18.5 - 15.6