YongNuo rf-603C Flash Trigger Synch Speed

Started Nov 5, 2011 | Discussions thread
OP JerryG1 Veteran Member • Posts: 3,232
Re: YongNuo rf-603C Flash Trigger Synch Speed

slowhands wrote:


Darn shame the marketing pictures show a full set of canon contacts, but the units delivered don't have all the contacts to do eTTL pass thru (and certainly don't transmit eTTL)

At $36/pair I wouldn't call it a shame.

I never saw those marketing pictures, and the reviews I read/saw made clear that these were not TTL devices. I got everything I expected, with the minor exception of a slightly low synch speed.

There are 5 contacts (full set) on the bottom shoe. They may be needed to wake a flash up in the transmit mode, or to focus and shoot in receive mode?

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