wireless flash on NEX 7

Started Feb 9, 2013 | Discussions thread
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Re: wireless flash on NEX 7
In reply to rtex42, Feb 10, 2013

Yeah from my field of study I know exactly what the word means scientifically but that might differ from the practical usage of that word. I was just trying to alert the OP to the small difference between optical slave and wireless slave. If we insist on using the optical in its scientifically correct sense then there are only 2 kinds of triggering: direct (on the shoe or sync cord) and optical (optical slave, wireless and radio trigger because they are all part of the EM spectrum).

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