Sony PMW320K Product Manual (PMW320 Operating Instruction) - Page 54

Setting the Electronic Shutter, Shutter Modes, Selecting the Shutter Mode and Shutter Speed

Page 54 highlights

Chapter 3 Adjustments and Settings Setting the Electronic Shutter Shutter Modes The shutter modes that can be used with the electronic shutter and the shutter speeds that can be selected are listed below. Standard mode Select this mode for shooting fast-moving subjects with little blurring. You can set the shutter speed in one of two shutter modes: Speed mode, in which the speed is set in seconds, and Angle mode, in which the speed is set in degrees. Speed mode System frequency 59.94i 59.94P 50i 50P 29.97P 25P 23.98P Shutter speed (unit: seconds) 1/60, 1/100, 1/120, 1/125, 1/250, 1/500, 1/1000, 1/2000 1/40 a), 1/50 a) , 1/60, 1/100, 1/120, 1/125, 1/250, 1/500, 1/1000, 1/2000 1/33 a), 1/50 a), 1/60, 1/100, 1/120, 1/125, 1/250, 1/500, 1/1000, 1/2000 1/32 a), 1/48 a), 1/50 a), 1/60, 1/96, 1/100, 1/120, 1/125, 1/250, 1/500, 1/1000, 1/2000 a) This speed cannot be selected when the camcorder is in Slow & Quick Motion mode and OPERATION >Rec Function >Frame Rate in the setup menu is set to a value that is greater than the system frequency. Angle mode 180°, 90°, 45°, 22.5°, and 11.25° ECS (Extended Clear Scan) mode Select this mode for obtaining images with no horizontal bands of noise when shooting subjects such as monitor screens. As shown in the following tables, the range of shutter speeds that can be set varies depending on whether the Slow & Quick Motion (S&Q) function is on or off. System lines: 1080 System frequency 59.94i 50i 29.97P 23.98P 25P Shutter speed (unit: Hz) S&Q: Off S&Q: On 60.00 to 3800 - 50.00 to 3500 - 29.99 to 4100 32.01 to 4100 23.99 to 3700 32.02 to 3700 25.00 to 3900 32.03 to 3900 System lines: 720 System frequency 59.94P 50P 29.97P 23.98P 25P Shutter speed (unit: Hz) S&Q: Off S&Q: On 60.07 to 4100 32.01 to 4100 50.03 to 3900 32.03 to 3900 29.99 to 4100 32.01 to 4100 23.99 to 3700 32.02 to 3700 25.00 to 3900 32.03 to 3900 SLS (slow speed shutter) mode Select this mode for shooting subjects in low level lighting conditions. Number of accumulated frames 2, 3, 4, 5, 6, 7, 8, 16, 32, 64 Notes • SLS mode cannot be used when the video format is SP 1440/23.98P or when the camcorder is in Slow & Quick Motion mode. • It is not possible to output the color bar signal, turn the SLS mode on or off, or change the number of accumulated frames when the number of accumulated frames is set to 16, 32 or 64. Selecting the Shutter Mode and Shutter Speed Notes • When the automatic iris is used, the iris opens wider as the shutter speed increases, thus reducing the depth of field. • The selectable shutter speeds vary depending on the current system frequency. 54 Setting the Electronic Shutter

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Setting the Electronic Shutter
54
Chapter 3
Adjustments and Settings
The shutter modes that can be used with the
electronic shutter and the shutter speeds that can
be selected are listed below.
Standard mode
Select this mode for shooting fast-moving
subjects with little blurring.
You can set the shutter speed in one of two shutter
modes: Speed mode, in which the speed is set in
seconds, and Angle mode, in which the speed is
set in degrees.
Speed mode
a) This speed cannot be selected when the camcorder is
in Slow & Quick Motion mode and OPERATION
>Rec Function >Frame Rate in the setup menu is set
to a value that is greater than the system frequency.
Angle mode
180°, 90°, 45°, 22.5°, and 11.25°
ECS (Extended Clear Scan) mode
Select this mode for obtaining images with no
horizontal bands of noise when shooting subjects
such as monitor screens.
As shown in the following tables, the range of
shutter speeds that can be set varies depending on
whether the Slow & Quick Motion (S&Q)
function is on or off.
System lines: 1080
System lines: 720
SLS (slow speed shutter) mode
Select this mode for shooting subjects in low level
lighting conditions.
Notes
SLS mode cannot be used when the video format is SP
1440/23.98P or when the camcorder is in Slow &
Quick Motion mode.
It is not possible to output the color bar signal, turn the
SLS mode on or off, or change the number of
accumulated frames when the number of accumulated
frames is set to 16, 32 or 64.
Notes
When the automatic iris is used, the iris opens wider as
the shutter speed increases, thus reducing the depth of
field.
The selectable shutter speeds vary depending on the
current system frequency.
Setting the Electronic
Shutter
Shutter Modes
System
frequency
Shutter speed (unit: seconds)
59.94i
59.94P
50i
50P
1
/
60,
1
/
100,
1
/
120
,
1
/
125
,
1
/
250
,
1
/
500
,
1
/
1000
,
1
/
2000
29.97P
1
/
40
a)
,
1
/
50
a)
,
1
/
60
,
1
/
100,
1
/
120
,
1
/
125
,
1
/
250
,
1
/
500
,
1
/
1000
,
1
/
2000
25P
1
/
33
a)
,
1
/
50
a)
,
1
/
60,
1
/
100
,
1
/
120,
1
/
125
,
1
/
250
,
1
/
500
,
1
/
1000
,
1
/
2000
23.98P
1
/
32
a)
,
1
/
48
a)
,
1
/
50
a)
,
1
/
60
,
1
/
96
,
1
/
100
,
1
/
120,
1
/
125
,
1
/
250
,
1
/
500
,
1
/
1000
,
1
/
2000
System
frequency
Shutter speed (unit: Hz)
S&Q: Off
S&Q: On
59.94i
60.00 to 3800
50i
50.00 to 3500
29.97P
29.99 to 4100
32.01 to 4100
23.98P
23.99 to 3700
32.02 to 3700
25P
25.00 to 3900
32.03 to 3900
System
frequency
Shutter speed (unit: Hz)
S&Q: Off
S&Q: On
59.94P
60.07 to 4100
32.01 to 4100
50P
50.03 to 3900
32.03 to 3900
29.97P
29.99 to 4100
32.01 to 4100
23.98P
23.99 to 3700
32.02 to 3700
25P
25.00 to 3900
32.03 to 3900
Number of accumulated frames
2, 3, 4, 5, 6, 7, 8, 16, 32, 64
Selecting the Shutter Mode and
Shutter Speed