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Seeking an external flash with stand alone test function
Seeking an external flash with stand alone test function Is there an external flash that can be used for other purposes. I need to set off a light activated sensor. A camera has been used in the past but I figured just the flash may be cheaper. It would need to be quite powerful with a test button. Budget is a constraint. I would like to use it without connection to a camera. Sorry for the noob questi...
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