Sigma EF-630 Mode D'emploi page 31

2. Return to the Main screen. (In the Status area, the
appears.)
Caution!!
This function cannot be set to "ON" in Flash modes that are not
compatible with Rear curtain synchronization.
FP FLASH ( High- speed Sync )
The FP flash keeps firing while the shutter curtain is running. Thus
you can use a shutter speed faster than the synchronized speed.
It can be used with the camera's P, Av, Tv, and M exposure modes.
It can be used with [TTL], [MANUAL], [WL
Flash modes.
1. Set [MENU 1] → [FP] → [ON].
2. Return to the Main screen. (In the Status area, the
appears.)
In [TTL] mode, confirm that the subject is within the shooting range
by checking the distance indicated in the Status area before you
start shooting.
In [MANUAL] mode, adjust the aperture, etc. before you start
shooting so the distance to the subject and the distance indicated in
the Status area match each other.
The Guide Number will change depending on the shutter speed.
(Please refer to [Table 3] on the last page.)
Caution!!
This function cannot be set to "ON" in the Flash modes that are not
compatible with the FP flash.
mark
( MENU 1 )
] and [WL
TTL MANUAL
mark
LIGHT DISTRIBUTION MODE (MENU 1)
The EF-630 has three Light Distribution modes that can be selected
according to the purpose of use.
[MENU 1] → [LIGHT DISTRIBUTION]
Normal light distribution
NORMAL
-
Basic light distribution characteristics for general
(Default)
shooting.
Guide number prioritized light distribution
GN
The flash beam's angle is decreased but a larger
guide number is available.
Flat light distribution
DIFFUSE
]
Prevents a decrease of the surrounding light amount
providing a more uniform light distribution.
TEST FLASH (MENU 2)
EF-630 has two Test flash modes. One of the Test flash modes can
be allocated to the TEST button.
[MENU 2] → [TEST FLASH]
1 TIME
Test flash
Executes a single test flash.
(Default)
Modeling flash
It can be used with [TTL], [MANUAL] and [MULTI]
MODELING flash modes.
When the TEST button is kept pressed, continuous
flashing of approximately 1.5 seconds is conducted
so the subject's shadows can be checked.
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