Grass Valley LDK 7500 User Guide - Manual (Page 53)

Set-up and operation FilmStream mode 5-5
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.
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.
Fine adjustment of the shutter angle can be achieved by using the clean
scan button.
Internal optical filter
23.98 24 25 29.97 50 59.94
Exposure time
Nom. 312.00 312.00 312.00 312.00 312.00 312.00
50Hz 172.63 172.80 180.00 215.78 180.00 215.78
60Hz 143.86 144.00 150.00 179.82 150.00 179.82
1/200 43.16 43.20 45.00 53.95 90.00 107.89
1/500 17.26 17.28 18.00 21.58 36.00 43.16
1/1000 17.26 8.64 9.00 10.79 18.00 21.58
Frames/sec
23.98 24 25 29.97 50 59.94
Shutter angle
312 36.15 36.11 34.67 28.92 17.33 14.46
270 31.28 31.25 30.00 25.03 15.00 12.51
225 26.07 26.04 25.00 20.85 12.50 10.43
180 20.85 20.83 20.00 16.68 10.00 8.34
135 15.64 15.63 15.00 12.51 7.50 6.26
90 10.43 10.42 10.00 8.34 5.00 4.17
45 n.a. n.a. n.a. n.a. 2.50 2.09
Frames/sec