Setting The Electronic Shutter; Shutter Modes - Sony BVP-550 Operation Manual

4-2 Setting the Electronic Shutter

4-1 Adjusting the Black Balance and White Balance
This section describes the shutter modes that can be
used with the electronic shutter of the video camera,
and explains the procedure for selecting the shutter
speed and mode.

4-2-1 Shutter Modes

The following shutter modes and shutter speeds can be
used with the electronic shutter:
Selectable shutter speeds and modes
Mode Shutter speed
Standard NTSC:
1/100, 1/125,
1/250, 1/500,
1/1000, 1/2000
(seconds)
PAL:
1/60, 1/125,
1/250, 1/500,
1/1000, 1/2000
(seconds)
CLS NTSC:
(Clear Scan) 260 speeds in the
range of 60.1 Hz
to 7000 Hz.
PAL:
310 speeds in the
range of 50.2 Hz
to 9000 Hz.
ECS NTSC:
(Extended 248 speeds in the
Clear Scan) range of 30.4 Hz
(Only when to 58.3 Hz.
OHB-550/ PAL:
550P/ 295 speeds in the
550WS/ range of 25.4 Hz
550WSP is to 48.7 Hz
attached)
Super-EVS NTSC:
(Super 1/60 sec.
Enhanced (automatic
Vertical setting)
Definition) PAL:
(Only when 1/50 sec.
OHB-550/ (automatic
550P/ setting)
550WS/
550WSP is
attached)
Note
"ECS" is displayed on the viewfinder as the shutter
mode for both CLS and ECS, and "EVS" for both EVS
and Super EVS. When using OHB-450/450P/451/
451P, "ECS" is displayed only in the CLS mode, and
"EVS" only in the EVS mode.
4-6
Chapter 4 Adjustments and Settings for Recording
Application
For shooting fast-moving
subjects with little
blurring.
For shooting subjects
such as monitor screens
with vertical scanning
frequencies of over 60
Hz with no horizontal
bands of noise.
For shooting subjects
such as monitor screens
with vertical scanning
frequencies of up to 60
Hz to obtain images with
no horizontal bands of
noise.
For higher vertical
resolution. The
sensitivity and the
dynamic range are
reduced.
Notes
• When using the electronic shutter in any mode, the
iris opening widens as the shutter speed is increased,
thus reducing depth of field.
• Under artificial light, particularly fluorescent or
mercury lamps, the light intensity may appear
constant, but the R, G, and B segments actually
change in relative strength in synchronization with
the frequency of the power supply ("flicker"). Using
an electronic shutter under such lighting could result
in worse flickering. Color flickering is especially
likely to happen when the power supply frequency is
60 Hz (NTSC) or 50 Hz (PAL). If the power
frequency is 50 Hz (NTSC) or 60 Hz (PAL),
however, setting the shutter speed to 1/100 or 1/60
can reduce this flickering.
• If you shoot a very bright object in ECS or Super
EVS mode with the OHB-550/550P/550WS/550WSP
attached, and the subject fills the entire screen, the
upper edge of the picture may show some
degradation in quality due to the inherent
characteristics of CCD. Before using ECS or Super
EVS mode, check the shooting conditions to avoid
this phenomenon.
Letter Ver.3.0 3-810-005-11(1)