Appendix; Projected Image Size - Proxima DP8400x User Manual

Appendix

Projected image size

Image sizes for standard lens (1.5 - 2.2:1 lens throw)
Distance to
screen
(feet/m)
3/0.9
5/1.5
10/3.0
15/4.6
20/6.1
25/7.6
30/9.1
35/10.7
40/12.2
45.5/13.9
The image offset range for the standard lens is 10:1 (100%) to 1:1 (50%).
Image sizes for short throw lens (1.1 - 1.5:1)
Distance to
screen
(feet/m)
2/0.6
5/1.5
10/3.0
Table 1:
Minimum Maximum
Diagonal Diagonal
(feet/m) (feet/m)
1.7/0.52 2.5/0.76
2.84/0.87 4.17/1.27
5.68/1.73 8.33/2.54
8.52/2.60 12.5/3.81
11.36/3.46 16.67/5.08
14.20/4.33 20.83/6.35
17.05/5.2 25.0/7.62
19.89/6.06 29.17/8.89
22.73/6.93 33.33/10.16
25.85/7.88 37.92/11.56
Table 2:
Minimum Maximum
Diagonal Diagonal
(feet/m) (feet/m)
1.67/0.51 2.27/0.69
4.17/1.27 5.68/1.73
8.33/2.54 11.36/3.46
Image sizes for short throw lens (1.1 - 1.5:1)
Distance to
screen
(feet/m)
15/4.6
20/6.1
25/7.6
30.5/9.3
The image offset range for the short throw lens is 10:1 (100%) to 1:1 (50%).
Image sizes for fixed focus short throw lens (0.8:1)
Distance to
screen
(feet/m)
The optimal offset setting for the fixed focus short throw lens is 50% (on
axis).
44
Table 2:
Minimum Maximum
Diagonal Diagonal
(feet/m) (feet/m)
12.5/3.81 17.05/5.20
16.67/5.08 22.73/6.93
20.83/6.35 28.41/8.66
25.42/7.75 34.66/10.56
Table 3:
Diagonal
(feet/m)
3/0.9 4.69/1.43
5/1.5 7.81/2.38
10/3 15.63/4.76
12/3.7 18.75/5.72