Epson Pro L1060U User Manual page 32

Use the tables here to determine approximately how far to place the projector from the screen based on
the size of the projected image. (Conversion figures may have been rounded up or down.) You can also
use the Projection Distance Calculator
1 Projection distance
2 Distance from the center of the lens to the base of the image (varies depending on vertical lens
shift)
3 Center of lens
here (U.S.), here (Canada), or
32
here (Caribbean).