Projection Distance and Size
Use the figures, tables, and formulas below to determine the projection size and projection
distance. (Projection sizes are approximate values for full-size picture with no keystone
adjustment.)
Screen
As seen from above
As seen from the side
a is the distance (m) between the lens and the screen, and corresponds to a range of
1.36 m to 11 m. H is the height from the image bottom to the center of the lens.