 Angie M. Nemanic |
Lighting in Photography: How Do Slaves Work? I'm confused on how slaves work? Can anyone give me the "101-version?"
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Maverick Creatives |
The slave will fire the flash it is attached to when it senses light from the camera's flash. By positioning the slaved flash to one side of the camera at a 45 to 90 degree angle to the lens axis, contours and shapes in the subject will be enhanced. Regards, Gary
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Mark Feldstein |
Well, Angie, there are different types of slave units. The kind Gary is referring to are triggered by a sensor that sees a burst of daylight temperature strobe light from a light triggered by your camera. Another type works off infrared generated by one lamp's trigger when that light is set-off. Each of these first two types can trigger multiple lights, but operate on a line-of-sight principle. If a sensor is blocked for some reason, the light it operates won't fire. The third kind is a radio slave that requires a transmitter usually rigged to your camera's flash sync output, and a receiver, attached to your main light. That main may, in turn and if so equipped, trigger additional lamps using the first two methods noted above. In other words, you can trigger your main light (or a pack of lights) using a radio slave and those lights can use their own internal system (either IR or daylight flash) to trigger other, similar lights with the same triggering devices. See what I mean? Mark
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