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General| Power Source | 4 x AA batteries |
|---|---|
| Flash Modes | TTL, Manual |
| Guide Number | 14 m / 46 ft at ISO 100 |
| Compatible Cameras | Sigma, Canon, Nikon |
| Recycling Time | 5 seconds (with alkaline batteries) |
| Dimensions | 126 x 128 x 25.4 mm (5.0 x 5.0 x 1.0 in) |
| Flash Type | Ring Flash |
| Weight | 430 g / 15.2 oz (without batteries) |
Specific warnings regarding high voltage circuits, eye safety, and environmental hazards during operation.
Specific cautions concerning water exposure, physical shock, temperature changes, and cleaning agents.
Details compatibility and usage considerations with different camera lenses for optimal flash performance.
Explains battery types, usage, and essential precautions for ensuring proper power supply and longevity.
Step-by-step guide on how to insert and prepare batteries for the flash unit, ensuring correct polarity.
Instructions for mounting controller and flash units onto camera and lens.
Explains the function of the auxiliary light for aiding manual focus in dark conditions.
Explains flash usage with camera's Shutter Speed Priority mode for controlling background exposure.
Explains flash usage with camera's Aperture Priority mode for controlling background exposure.
Describes how to switch control systems for enabling wireless flash communication between units.
Details configuration steps for the slave flash unit for remote operation and synchronization.
Details configuration steps for the master flash unit for controlling slave units wirelessly.
Instructions for setting up the EF-500 as a slave flash for synchronized firing with a master unit.
Instructions for setting up the EM-140 DG as a controller for designated slave units.
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