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The following table shows the relationship between the distance and projected image size.
* h = Height from the center of the lens to the bottom edge of the projection screen.
Important!
Note that the distances provided above are for reference only.
Projection Distance and Screen Size
Projection Size Approximate Projection Distance
Screen Size Diagonal (cm)
Minimum Distance
(m / feet)
Maximum Distance
(m / feet)
h*
(cm / inch)
40 102 1.0 / 3.28 1.9 / 6.23 9 / 3.54
60 152 1.4 / 4.59 2.8 / 9.19 14 / 5.51
80 203 1.9 / 6.23 3.8 / 12.47 18 / 7.09
100 254 2.4 / 7.87 4.8 / 15.75 23 / 9.06
150 381 3.6 / 11.81 7.2 / 23.62 34 / 13.39
200 508 4.8 / 15.75 9.6 / 31.50 45 / 17.72
h*