10’ high image
bottom of image 5’ below lens
lens center |
H |
FIGURE 5 |
Lowest image projection angle
10’ high image
bottom of image 2.5’ above lens
H |
lens center |
FIGURE 6 |
Highest image projection angle
Once you know the diagonal image size, you can figure out the width and height using these formulas:
width (inches) = diagonal (inches) x 0.8 height (inches) = width (inches) x 0.75
7
