B
Detailed Descriptions of Lens Throw Distances
B-1. Overview
This section provides the throw distances (the distance between the lens and the screen) for all lens models.
Throw distances depend on the lens used, the type of input signal, and/or the size and shape of the projected image.
In the charts on the following pages, abbreviations represent each parameter. Please refer to the explanations below
for each item.
Screen
Center of screen
B
A
Distance between the floor and the feet of the projector, A=B-310 mm (12 1/4 inches)
B
Distance between the floor and the center of screen
L (min)
Minimum distance between the center of lens and screen
L (max)
Maximum distance between the center of lens and screen
W
Screen width
H
Screen height (different from the aspect ratio of the projected image)
SS
Diagonal screen size
Center of lens
310mm (12 1/4 inches)
L
W
SS
A
H
B
Appendix
39