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Overview: The Sigma EF-610 DG ST is a powerful flash with
lots of features that you don't get with the camera's built-in flash. It is
designed to work with the latest TTL auto-exposure systems of all the most
popular digital and film SLR cameras. The head can tilt up and swivel in both
directions, so you can bounce the flash in any direction. The flash is
compatible with Sigma
SD1 DSLR, as well as the
Shoe Mount: The Sigma EF-610 DG ST flash mounts to the
accessory shoe on the
top of your compatible Sigma camera. Flash trigger, exposure
setting, and focal length (zoom) setting are transferred to the flash via the
Flash Stand: The flash comes with a stand for storing when
not in use.
The firing direction of the flash is adjustable. The vertical angle ranges from
0° (straight forward) to 90° (straight up) with stops at 60° and 75°. You can
also tilt the head downward to 7° for close-up photography. The horizontal angle is 90° to the
right (stops at 60° and 75°) and 180° to the left (stops at 60°, 75°, 90°, 120°,
and 150°) for a total range of 270°.
Flash Coverage: The flash
coverage is automatically set to match the lens focal length from 24 mm to 105 mm. When the built-in wide panel
on the flash is engaged, the coverage will cover the angle of ultra wide-angle lenses
as short as 17 mm.
Manual Flash: You can set the
flash output to Manual H or Manual L allowing you to set the flash power from
full to 1/16.
Custom Functions: You can
customize the Speedlite features to suit your preferences. You have Six flash
custom functions built into the Sigma EF-610 DG ST (set on rear LCD panel).
Batteries: The Sigma EF-610 DG ST flash uses
4 AA batteries. Alkaline, Nickel-Cadmium (NiCd) rechargeable, or Nickel Metal Hydride (Ni-MH)
rechargeable batteries are
recommended. Charging time is approximately 7 seconds with alkaline batteries,
and approximately 5 seconds with NiCd or Ni-MH batteries. The number of flashes
are approximately 120 with alkaline, and approximately 160 with NiCd or Ni-MH.
Auto Power Off: To save battery power, the power will turn
off automatically after a certain period of time of idle use.
Case: The included case houses and protects the Sigma EF-610
DG ST flash. There is also a small pocket inside the
case, where you can store the included flash stand. The case has a flap with a
|Guide Number (meters)
|Guide Number (feet)
Flash Dimensions: Because the flash
angle is hinged for up/down adjustment and pivots for left/right adjustment, all
three dimensions vary as follows:
3.0017" to 4.531"
- Height: 5.5" to 7.603"
2.095" to 3.75"
Weight: 11.3 oz. (without