THOMSON grass valley VIPER LDK 5490 User Manual page 53

Digital cinematographic camera system
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The shutter angle is set electronically with the exposure switch on the
front of the camera.
The following table gives the equivalent values of exposure time in
mSec. for a particular shutter angle measured in degrees. This is shown
for the various frame rates.
Shutter angle
312
270
225
180
135
90
45
The following table gives the equivalent values of shutter angle in
degrees for a particular exposure time. This is shown for the various
frame rates.
Exposure time
Nom.
50Hz
60Hz
1/200
1/500
1/1000
Fine adjustment of the shutter angle can be achieved by using the clean
scan button.
Internal optical filter
Set-up and operation
23.98
24
36.15
36.11
31.28
31.25
26.07
26.04
20.85
20.83
15.64
15.63
10.43
10.42
n.a.
n.a.
23.98
24
312.00
312.00
172.63
172.80
143.86
144.00
43.16
43.20
17.26
17.28
17.26
8.64
FilmStream mode
Frames/sec
25
29.97
34.67
28.92
30.00
25.03
25.00
20.85
20.00
16.68
15.00
12.51
10.00
8.34
n.a.
n.a.
Frames/sec
25
29.97
312.00
312.00
180.00
215.78
150.00
179.82
45.00
53.95
18.00
21.58
9.00
10.79
50
59.94
17.33
14.46
15.00
12.51
12.50
10.43
10.00
8.34
7.50
6.26
5.00
4.17
2.50
2.09
50
59.94
312.00
312.00
180.00
215.78
150.00
179.82
90.00
107.89
36.00
43.16
18.00
21.58
5-5

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