Sigma EF-630 Manuel D'instructions page 27

behind the moving subject and the path of the light can be
captured; therefore, the photos can express the subject's
natural movement.
It can be used with the camera's P, A, S, and M exposure
modes.
It can be used with [TTL], [MANUAL], and [WL] Flash modes.
1. Set [MENU 1] → [REAR CURTAIN SYNC] → [ON].
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 (MENU 1)
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, A, S, and M exposure
modes.
It can be used with [TTL] and [MANUAL] Flash modes.
1. Set [MENU 1] → [FP] → [ON].
2. Return to the Main screen. (In the Status area, the
mark 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 4] 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
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]
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