Appendix D – Throw Ratio
52
THROW RATIO
Ceiling Mount Installation — 4:3 Screen Size
Diag. Width Height Max Min Upper Lower
300” 240” 180” 13.07m 10.892m 1.022m 5.594m
250” 200” 150” 10.892m 9.076m 0.869m 4.679m
200” 160” 120” 8.713m 7.261m 0.716m 3.764m
150” 120” 90” 6.535m 5.446m 0.563m 2.849m
133” 106” 80” 5.794m 4.829m 0.511m 2.538m
106” 85” 64” 4.618m 3.848m 0.429m 2.044m
100” 80” 60” 4.357m 3.631m 0.411m 1.935m
92” 74” 55” 4.008m 3.34m 0.386m 1.788m
84” 67” 50” 3.66m 3.05m 0.362m 1.642m
72” 58” 43” 3.137m 2.614m 0.325m 1.422m
60” 48” 36” 2.614m 2.178m 0.288m 1.203m
40” 32” 24” 1.743m 1.452m 0.227m 0.837m
30” 24” 18” 1.307m 1.089m 0.197m 0.654m
x
creen size z1
y1
y2 z2
z1=x*0.030700699+0.105
Long distance from ceiling mount
Shorter distance from ceiling mount
(bottom of the projector)
y1=x*0.04356608
y2=x*0.036305066 z2=x*0.003055736+0.105
Max projection Distance
Min projection Distance
Ceiling mount installation
Screen size (4:3) Projection Distance Distance from ceiling
