Infocus DP8400x Benutzerhandbuch
44
Appendix
Projected image size
The image offset range for the standard lens is 10:1 (100%) to 1:1 (50%).
The image offset range for the short throw lens is 10:1 (100%) to 1:1 (50%).
The optimal offset setting for the fixed focus short throw lens is 50% (on
axis).
axis).
Table 1:
Image sizes for standard lens (1.5 - 2.2:1 lens throw)
Distance to
screen
(feet/m)
screen
(feet/m)
Minimum
Diagonal
(feet/m)
Diagonal
(feet/m)
Maximum
Diagonal
(feet/m)
Diagonal
(feet/m)
3/0.9
1.7/0.52
2.5/0.76
5/1.5
2.84/0.87
4.17/1.27
10/3.0
5.68/1.73
8.33/2.54
15/4.6
8.52/2.60
12.5/3.81
20/6.1
11.36/3.46
16.67/5.08
25/7.6
14.20/4.33
20.83/6.35
30/9.1
17.05/5.2
25.0/7.62
35/10.7
19.89/6.06
29.17/8.89
40/12.2
22.73/6.93
33.33/10.16
45.5/13.9
25.85/7.88
37.92/11.56
Table 2:
Image sizes for short throw lens (1.1 - 1.5:1)
Distance to
screen
(feet/m)
screen
(feet/m)
Minimum
Diagonal
(feet/m)
Diagonal
(feet/m)
Maximum
Diagonal
(feet/m)
Diagonal
(feet/m)
2/0.6
1.67/0.51
2.27/0.69
5/1.5
4.17/1.27
5.68/1.73
10/3.0
8.33/2.54
11.36/3.46
15/4.6
12.5/3.81
17.05/5.20
20/6.1
16.67/5.08
22.73/6.93
25/7.6
20.83/6.35
28.41/8.66
30.5/9.3
25.42/7.75
34.66/10.56
Table 3:
Image sizes for fixed focus short throw lens (0.8:1)
Distance to
screen
(feet/m)
screen
(feet/m)
Diagonal
(feet/m)
(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
Table 2:
Image sizes for short throw lens (1.1 - 1.5:1)
Distance to
screen
(feet/m)
screen
(feet/m)
Minimum
Diagonal
(feet/m)
Diagonal
(feet/m)
Maximum
Diagonal
(feet/m)
Diagonal
(feet/m)