Electronics America Camera Lens User Manual

NEC Solutions (America), Inc.
Visual Systems
MT1055/1056 Installation Data
with Optional MT13ZL Short Focus Zoom Lens v 3.0
Page 3
Projection Distance and Screen Size for Desktop
The following diagram shows the relationship between projector position and the screen.
Distances are in inches. For millimeters multiply by 25.4.
Desktop Setup
C
D
α
Throw Distance
Screen Top
Scrn Bottom
Screen Ctr
B
2.89"
Projector Foot
Lens Ctr
Distance Chart
BCD
α
Diagonal Width Height wide - tele wide - tele
40" 32" 24" 10.2" 39.3" - 48.8" 1.8" 14.6° - 11.8°
60" 48" 36" 15.3" 60.1" - 74.4" 2.7" 14.3° - 11.6°
67" 53.6" 40.2" 17.1" 67.3" - 83.4" 3.0" 14.3° - 11.6°
72" 57.6" 43.2" 18.4" 72.5" - 89.8" 3.2" 14.2° - 11.6°
84" 67.2" 50.4" 21.5" 85.0" - 105.1" 3.7" 14.2° - 11.5°
90" 72" 54" 23.0" 91.2" - 112.8" 4.0" 14.1° - 11.5°
100" 80" 60" 25.5" 101.6" - 125.6" 4.5" 14.1° - 11.5°
120" 96" 72" 30.6" 122.4" - 151.1" 5.4" 14.1° - 11.5°
150" 120" 90" 38.3" 153.6" - 189.5" 6.7" 14.0° - 11.4°
180" 144" 108" 46.0" 184.8" - 227.9" 8.0" 14.0° - 11.4°
Screen Size
Note: For screen sizes not indicated on the projection tables, use the formulas on page 1.