44
Appendix
Projected Image Size
NOTE: Use the graph and table
to help you determine projected
image sizes.
FIGURE 26
Projected image size
Tab le 1:
Range of distance to the screen for a given screen size
Diagonal
Screen Size
(inches/cm)
Distance to screen
Image Width
(inches/cm)
Maximum
distance
(feet/m)
Minimum
Distance
(feet/m)
60/152.4 48/122 8.5/2.6 6.9/2.1
72/183 58/147 10.2/3.1 8.3/2.5
84/213 67/170 11.9/3.6 9.7/3.0
90/229 72/183 12.7/3. 9 10.4/3.2
100/254 80/203 14.1/4.3 11.6/3.5
120/305 96/244 17.0/5.2 13.9/4.2
150/381 120/305 21.2/6.5 17.4/5.3
50
100
150
200
250
5100 15 20 25 30
Diagonal Image Size (inches)
Distance to Screen (feet)
maximum image size
minimum image size