Sony PMWF3K Operating Instructions - Page 50

Reducing Flickers

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Recording Reducing Flickers To reduce flickers, try either of the following two methods: Setting the shutter speed according to the power-supply frequency Activate the electronic shutter (page 46) and set the shutter speed according to the power supply frequency. When the frequency is 50 Hz Set the shutter speed to 1/50 or 1/100 seconds. When the frequency is 60 Hz Set the shutter speed to 1/60 or 1/120 seconds. Using the Flicker-Reduction function Set "Mode" of "Flicker Reduce" (page 104) of the CAMERA SET menu to "Auto" or "On" and set "Frequency" to the power-supply frequency (50 Hz or 60 Hz). Note If the frame rate selected for recording is close to the power-supply frequency, flicker may not be reduced sufficiently even if you activate the Flicker-Reduction function. In such cases, use the electronic shutter. Recommended settings for flicker reduction Frequency Always set "Frequency" to the power-supply frequency value appropriate for the shooting area. Mode • It is recommended to set "Mode" to "Off" when shooting outdoors or under lighting that does not cause flicker. (It can be also "Auto," but the compensation may not be done properly.) • It is recommended to set "Mode" to "Auto" when shooting indoors or under various lighting that may cause flicker, such as fluorescent, sodium, or mercury-vapor lamps. (If continuously shooting under lighting that may cause flicker, "Mode" should be set to "On.") The recommended "Mode" settings are shown below. Flicker Environments Reduce/ Under lighting Under lighting Mode that may cause that does not flicker cause flicker Auto Recommended Acceptable On Acceptable Not recommended Off Not recommended Recommended Note The flicker-reduction function does not operate when signals are being fed from the HD SDI A/B (Dual-Link) connectors. 50 Reducing Flickers

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Reducing Flickers
50
Recording
To reduce flickers, try either of the following two
methods:
Setting the shutter speed according to
the power-supply frequency
Activate the electronic shutter
(page 46)
and set
the shutter speed according to the power supply
frequency.
When the frequency is 50 Hz
Set the shutter speed to
1
/
50
or
1
/
100
seconds.
When the frequency is 60 Hz
Set the shutter speed to
1
/
60
or
1
/
120
seconds.
Using the Flicker-Reduction function
Set “Mode” of “Flicker Reduce”
(page 104)
of
the CAMERA SET menu to “Auto” or “On” and
set “Frequency” to the power-supply frequency
(50 Hz or 60 Hz).
Note
If the frame rate selected for recording is close to
the power-supply frequency, flicker may not be
reduced sufficiently even if you activate the
Flicker-Reduction function. In such cases, use the
electronic shutter.
Recommended settings for flicker reduction
Frequency
Always set “Frequency” to the power-supply
frequency value appropriate for the shooting area.
Mode
•
It is recommended to set “Mode” to “Off” when
shooting outdoors or under lighting that does
not cause flicker. (It can be also “Auto,” but the
compensation may not be done properly.)
•
It is recommended to set “Mode” to “Auto”
when shooting indoors or under various lighting
that may cause flicker, such as fluorescent,
sodium, or mercury-vapor lamps. (If
continuously shooting under lighting that may
cause flicker, “Mode” should be set to “On.”)
The recommended “Mode” settings are shown
below.
Note
The flicker-reduction function does not operate
when signals are being fed from the HD SDI A/B
(Dual-Link) connectors.
Reducing Flickers
Flicker
Reduce/
Mode
Environments
Under lighting
that may cause
flicker
Under lighting
that does not
cause flicker
Auto
Recommended
Acceptable
On
Acceptable
Not recommended
Off
Not recommended
Recommended