25
Preparations
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.)
a is the distance between the lens and the screen, and corresponds to a range of 1.6m to
13.7m (63.0 inches to 539.4 inches). H is the height from the image bottom to the center of
the lens.
1 inch=2.54 cm