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1. When V100 S is used in TTL auto flash mode with a global shutter
camera, the flash will be synchronized properly at both low and high shutter
speeds. Compared to a non-global shutter camera, with a global shutter
camera, the HSS flash time is shorter (about 2-5 milliseconds), the recycle
time is faster, and the camera can take more shots.
On: Adjusts the flash timing manually(0 microseconds to 1000
microseconds).
Off: Does not adjust the flash timing(the flash will re in single pulse flash
when the shutter speed is 1/600).
High-speed shutter single pulse flash requires very strict time alignment.
As shown in the gure, the shutter needs to be turned on at the optimal light
effect of the flash. Matching method is as follows:
Set the flash to M (manual) flash mode and enter the menu, turn on ADJ
in the camera flash timing settings. Input ADJ parameter which is related
to the camera and flash used. If you are using V100S with A9MIII, this
parameter is about 160 microseconds when V100S is wireless off, and
about 560 microseconds when V100S is wireless on (if you are using other
global shutter cameras, you need to full-time match to determine the time).
After setting the above parameters, adjust the camera shutter to 1/80000
and the flash power to 1/256 (the matching requirements are higher for
faster shutter speed and lower power, if you adjust the right combination,
other combinations are usually suitable), you can ne-tune the ADJ
parameters to the optimal exposure time in case the flash is out of sync,
then you can test the shootings under other shutters.
A: Amount of flash light
B: Time
C: Shutter speed
D: Amount of flash light in 1/256 power
F: Exposed amount of flash light
G: Flash starting timing
Flash timing settings: Camera Menu
→
(Exposure/Color)
→
[Flash]
→
[Flash Timing Setting]
→
[On]
→
Set the flash timing to the desired value.
How to Match the Flash and the Shutter
ADJ flash timing settings menu:
2. When V100 S is used in M (manual) flash mode and you want to use
single pulse flash (not HSS) in high-speed shutter (with a shutter speed
faster than 1/600), you can adjust the camera's flash delay time to match
the exposure time, so that you can shoot with a more appropriate amount
of light. Compared to HSS mode, this mode has a better flash index with the
same power.
1. If you set the camera's shutter speed to faster than 1/10000 and take a picture,
the brightness and color may vary.
2. For camera equipped with a global shutter image sensor, the HSS icon will not
be displayed on the panel regardless of whether the high-speed sync setting is [ON]
or [OFF].
3. When the flash is connected to the camera using a sync cord, the camera
shoots with a traditional high-speed sync instead of using the global shutter sync,
so the distance that the flash's light can reach is shortened.
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