Visual Systems DivisionTechnical BulletinMultiSync VT440/540 Installation DataDesktop and Ceiling Mount Rev. 1.5Page 3Projection Distance and Screen Size for Ceiling Mount InstallationThe following diagram shows the relationship between projector position and the screen.Distances are in inches. For millimeters multiply by 25.4.Ceiling Mount InstallationC αFBScreen CtrScrn BottomScreen TopLens Ctr1.3"Lens Offset fromMounting Pipe5.27"Throw Distance 5.52"Distance ChartNote:For screen sizes of 25 to 300 inches not indicated on the projection tables, use the formulas on page 1.C αα B FDiagonal Width Height wide - tele wide - tele40" 32" 24" 61.3" - 73.5" 8.93° - 7.46° 9.6" 2.5"60" 48" 36" 92.7" - 111.3" 8.85° - 7.39° 14.4" 3.8"67" 53.6" 40.2" 103.8" - 124.5" 8.83° - 7.38° 16.1" 4.3"72" 57.6" 43.2" 111.6" - 134.0" 8.82° - 7.37° 17.3" 4.6"84" 67.2" 50.4" 130.5" - 156.6" 8.80° - 7.35° 20.2" 5.3"90" 72" 54" 140.0" - 168.0" 8.79° - 7.35° 21.7" 5.7"100" 80" 60" 155.7" - 186.9" 8.78° - 7.34° 24.1" 6.3"120" 96" 72" 187.2" - 224.6" 8.77° - 7.32° 28.9" 7.6"150" 120" 90" 234.4" - 281.3" 8.75° - 7.31° 36.1" 9.5"180" 144" 108" 281.7" - 338.0" 8.74° - 7.30° 43.3" 11.4"210" 168" 126" 328.9" - 394.7" 8.73° - 7.30° 50.5" 13.3"240" 192" 144" 376.1" - 451.4" 8.73° - 7.29° 57.7" 15.2"270" 216" 162" 423.4" - 508.0" 8.72° - 7.29° 65.0" 17.1"300" 240" 180" 470.6" - 564.7" 8.72° - 7.28° 72.2" 19.0"Screen Size