Visual Systems DivisionTechnical BulletinMultiSync LT100 Installation DataDesk Top and Ceiling MountPage3Projection Distance and Screen Size for DesktopThe following diagram shows the relationship between projector position and the screen.Desktop SystemαBCAScreen CenterDesk Top LevelScreen Bottom3.80"Distance ChartScreen Size A B C ααDiagonal Width wide - tele wide - tele wide - tele40" 32" 65.2" - 84.4" 4.7" 63.0" - 82.7" 14.8° - 11.4°60" 48" 97.8" - 126.5" 7.0" 94.5" - 124.0" 14.8° - 11.4°67" 53.6" 109.8" - 140.8" 7.8" 106.2" - 138.0" 14.8° - 11.4°72" 57.6" 118.2" - 151.5" 8.4" 114.3" - 148.5" 14.7° - 11.4°84" 67.2" 138.2" - 177.3" 9.8" 133.7" - 173.8" 14.7° - 11.4°90" 72" 148.3" - 190.8" 10.5" 143.5" - 187.1" 14.6° - 11.3°100" 80" 164.8" - 212.8" 11.7" 159.4" - 208.7" 14.6° - 11.3°120" 96" 198.5" - 255.2" 14.0" 192.1" - 250.3" 14.6° - 11.3°150" 120" 248.7" - 319.6" 17.5" 240.7" - 313.4" 14.6° - 11.3°180" 144" 298.9" - 384.0" 21.0" 289.3" - 376.6" 14.5° - 11.3°210" 168" 349.0" - 448.0" 24.5" 337.9" - 439.3" 14.5° - 11.3°240" 192" 399.2" - 512.7" 28.0" 386.5" - 502.9" 14.5° - 11.2°270" 216" 449.4" - 577.2" 31.5" 435.1" - 566.1" 14.5° - 11.2°300" 240" 500.2" - No Tele 35.0" 484.3" - No Tele 14.5° - No TeleNote:For screen sizes of 24 to 300 inches not indicated on the projection tables, use the formulas on page 1.