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Appendix D – Throw Ratio
48
THROW RATIO
Desktop Installation — 16:9 Screen Size
Diag. Width Height Max Min Upper Lower
300” 261” 147” 10.68m 8.9m 4.59m 0.854m
250” 218” 123” 8.9m 7.416m 3.842m 0.729m
200” 174” 98” 7.12m 5.933m 3.095m 0.604m
150” 131” 74” 5.34m 4.45m 2.347m 0.48m
133” 116” 65” 4.735m 3.946m 2.093m 0.437m
106” 92” 52” 3.773m 3.145m 1.69m 0.37m
100” 87” 49” 3.56m 2.967m 1.6m 0.355m
92” 80” 45” 3.275m 2.729m 1.48m 0.335m
84” 73” 41” 2.99m 2.492m 1.361m 0.315m
72” 63” 35” 2.563m 2.136m 1.181m 0.285m
60” 52” 29” 2.136m 1.78m 1.002m 0.255m
40” 35” 20” 1.424m 1.187m 0.703m 0.205m
30” 26” 15” 1.068m 0.89m 0.553m 0.18m
x Screen size
y1 Max projection Distance z1 Upper height from Desk
y2 Min projection Distance z2 Lower height from Desk
y1=x*0.035599019 z1=x*0.014949939+0.105
z2=x*0.002496924+0.105y2=x*0.029665849
Desk top installation
Screen size (16:9)
Projection Distance
(m)
Height Above Desk