Slave flash
A slave flash is triggered by the firing of your main flashgan. It has a light sensitive receptor.
Slave flashes.
Slave flashes are simply self-contained flash units which respond to external triggers of some kind. They're frequently used in studio situations.
Slave Flash Units
If your camera doesn't have a hot shoe or other flash connector, and many pocket cameras don't, you can use a slave flash unit.
Slave Flash - See "Radio Save Flash."
Slide - A photographic transparency (positive) mounted for projection.
A wireless master/slave flash outfit would really simplify the setup for this kind of work. For most of the bellows setups I positioned the flash units fairly close to the subject and used TTL flash metering.
If you don't have a hot shoe, a slave flash would be an alternative. These fire the flash when they sense another flash nearby going off.
The master will control one or more slave flash units. The slave units can be SB-600/800, or the new R-200 macro. The number of slave units is essentially unlimited.
In this arrangement, one master flash may be triggered by the camera shutter, while other flashes are triggered by the master. Some slave flash designs use the master flash's light itself as a trigger.
More and more flash accessories are hitting the market as more photographers turn to multiple slave flash units instead of the larger old-style flash units.
Thanks for the informative website! I'm going to Mombasa next week and was struggling to get my new camera and slave flash working to get any good pictures! Now I'm armed and raring to go - Thanks!
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slave flash
slow sync
SLR - "Single Lens Reflex."
snoot - a tube or cone attached to a lamp or flash unit to restrict the light, producing a spotlighting effect.
The Canon Speedlite 430EX II Flash, $280 (review) was introduced in the fall of 2008 and is a pretty full featured flash. The head zooms, tilts and swivels and the 430EX II can operate as a slave flash (but not a controller) in the Canon wireless ...
- Optional 30mm lens adaptor (needed to use converters) $30
- Optional Slave flash + bracket (HVL-FSL1B) $100
- Optional waterproof case (Marine Pack MPK-WA) $200
- Optional filter kits and filter adapter ...
He found he could reveal the shadows of every undulation this way, where as onboard camera flash often flattened the rock formations. Now he uses a combination of infrared slave flash units that he triggers with a transmitter attached to his camera.
and clamps that can be assembled and combined in any direction to hold flowers, backgrounds, etc. The package includes a spike that you can stick in the ground. Use this system to build a mini-structure to support your subject, hold a slave flash, ...
use the built-in as a fill flash in conjunction with the slave but sometimes I don’t. In the latter situation I simply select the lowest output setting. Light from the built-in is not recorded in the photo; it simply triggers the slave flash.
The flash units can be auxiliary flash units, connected to the camera by extension cords, or they can be slave flash units.
 See also: Camera, Slave, Flash, Light, Photograph
  
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