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27-12-11, 09:36 PM
Join Date: Sep 2009
Originally Posted by
Instructions say "Slave Function - the flashgun can perform as a wireless slave by switching the 'slave mode' switch to the S position. The flashgun will auto switch to M mode with a power ratio of 1:1. When the sensor detects an external flash fire, the flashgun will synchronise and fire. The amount of light output can be controlled by selecting the power ratio from 1/1 to 1/16".
So yes, in slave mode it's just a manual flash with an inbuilt optical trigger, not a sophisticated wireless TTL system. Use the cord and it will let you have TTL flash off-camera, but that may not be what you intended, and if you ever want to add more off-camera wirelss TTL units, it will be redundant. You probably need to decide whether to return the flash & cord, if you can, and get something that's more like what you wanted, and is more future-proof should you want to add more units.
The Nissin Di622 is the cheapest I can see at Jessops that goes any way to proper wireless TTL, though it's limited to a single channel and group. The next seems to be the Metz 50 AF-1. Both of these are 'slave only', they can't be a commander but since your camera can I don't see that as a hardship.
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