Flash Exposure Compensation; Manual Flash - Sigma EF-630 Manual Del Usuario

Caution!!
When shooting is conducted while the exposure warning of the
camera is indicated,under or over exposure may result. In that
case, change the conditions before you start shooting.

FLASH EXPOSURE COMPENSATION

Compensating only the light amount
of the flash is possible without
affecting exposure of the background.
It can be used with [TTL], [TTL-BL],
[GN-M], and [WL ] flash modes.
TTL
Set the compensation amount in the
Mode details area. (The compensation
amount has 1/3 steps and up to ±3
steps can be set.)
The flash exposure compensation function is also available in

camera. When the flash exposure compensation is set on both
the camera and the flash, shooting will be conducted with the
combined exposure compensation value.

MANUAL FLASH

Discretional setting of the flash amount is possible.
1. Set the Flash mode to [MANUAL].
2. Set the flash amount in the Mode
details area. (Available range for
setting: 1/128 to 1/1, Available
pitch for setting: 1/3EV.)
3. Check the flashgun status with the
Ready light and start shooting.
24
( WL )
TTL
MODE
In the distance display section in the Status area, the distance that
appropriate exposure can be obtained is calculated and displayed.
Even with the same flashing amount, the distance to obtain the
appropriate exposure varies if the camera's ISO sensitivity or the
aperture value is changed.
An appropriate exposure when using manual flash can be
calculated using the following formula.
Guide Number (GN) / Shooting distance (m) = Aperture value (F)
For the GN (Guide Number) of this flash, refer to [Table 1] attached
at the end of this manual.
DISTANCE-PRIORITY MANUAL FLASH
It is the manual flash shooting the light output will automatically
be adjusted to the selected distance.
1. Set the Flash mode to [GN-M].
2. In the Mode details area, set the
distance to the subject. (If the desired
distance exceeds the settable range,
adjust the camera aperture value,
ISO, etc.)
3. Check the flashgun status with the Ready light and start shooting.
MULTI FLASH
Displaying movement of the subject in one frame as if the
image is a photographic playback is possible by continuously
emitting light with the flash while the shutter is open.
Use the camera's manual (M) exposure mode.
Set the Flash mode to [MULTI].
1.
In the Mode details area, set the flash amount, flash interval
2.