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Table 3: Projection sizes: Short Zoom lens (1.1 -1.51 throw ratio range)
The image offset range for the short throw lens is 10:1 (100%) to 1:1 (50%).
Table 4: Projection sizes: Long Throw lens (2.2 - 4.2:1 throw ratio range)
The image offset range for the long throw lens is 10:1 (100%) to 1:1 (50%).
Minimum Image Maximum Image
Distance
(feet/m)
Diagonal
Image
(feet/m)
Image
Width
(feet/m)
Diagonal
Image
(feet/m)
Image
Width
(feet/m)
Min Distance
2/0.6
1.67/0.51 1.33/0.41 2.27/0.69 1.82/0.55
5/1.5 4.17/1.27 3.33/1.02 5.68/1.73 4.55/1.39
10/3.0 8.33/2.54 6.67/2.03 11.36/3.46 9.09/2.77
20/6.1 16.67/5.08 13.33/4.06 22.73/6.93 18.18/5.54
25/7.6 20.83/6.35 16.67/5.08 28.41/8.66 22.73/6.93
Max Distance
30.5/9.3
25.42/7.75 20.33/6.2 34.66/10.56 27.73/8.45
Minimum Image Maximum Image
Distance
(feet/m)
Diagonal
Image
(feet/m)
Image
Width
(feet/m)
Diagonal
Image
(feet/m)
Image
Width
(feet/m)
Min Distance
4.2/1.3
1.28/0.39 1.02/.31 2.39/0.73 1.91/0.58
10/3.0 3.05/0.93 2.44/0.74 5.68/1.73 4.55/1.39
20/6.1 6.1/1.86 4.88/1.49 11.36/3.46 9.09/2.77
30/9.1 9.15/2.79 7.32/2.23 17.05/5.2 13.64/4.16
40/12.2 12.2/3.72 9.76/2.97 22.73/6.93 18.18/5.54
60/18.3 18.29/5.58 14.63/4.46 34.09/10.39 27.27/8.31
Max Distance
60/18.3
25.37/7.73 20.29/6.19 47.27/14.41 37.82/11.53