IBM iL2215 User Manual page 56

Table 2. Image Size, Width and Height-minimum image size
Distance to Screen
(feet)
4.9
8
12
16
20
30
46
iL2215 IBM UltraPortable Data/Video Projector: User's Guide
Diagonal (feet)
2.5
4.1
6.2
8.2
10.3
15.4
Width (feet)
2.0
3.3
4.9
6.6
8.2
12.3
Height (feet)
1.5
2.5
3.7
4.9
6.2
9.2