Can I use a National PE-3550 hammer head flash gun with a Sony alpha digital camera without damaging it.
… read answers.
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Can I use a National PE-3550 hammer head flash gun with a Sony alpha digital camera without damaging it.
… read answers.

Can inserting the batteries the wrong way in the flash and connecting to the camera should damage the camera electronics?

The Aokatec AK-TTL wireless trigger is available. It is a radio trigger (or to be more exact, a radio relay) that is able to work with the wireless flash control systems of Canon, Nikon, Pentax and Sony.
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The Solmeta N3 geotagger has just been released. It is a second generation device that is supposed to obtain a faster lock on satellites, and to use less power, than first generation devices. It also cost almost as much as the original Nikon GP-1 geotagger. It it worth the money?
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As of June 2012, both the Canon and Nikon versions of the Phottix Odin wireless TTL Trigger is available on eBay for USD 325 for a kit (TCU and RX), 169 for RX only.
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What happens if you pull a photograph of the Internet and uses it without permission. In this blog post, I try to keep current about the case law and out-of-court settlements that exists in this area.
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With the Canon Speedlite 600EX-RT, Canon has become the first major manufacturer of a DSLR system to put the radio transceiver for communicating between DSLR body and flash inside the flash itself.
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