t4haughton Offline Upload & Sell: On
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LeeSimms wrote:
Also, another RT tip — avoid GROUP A
We start off camera lights at GROUP B and go down the alphabet. Early on we had all sorts of issues with TTL exposure (and other issues) with A. Not sure why. It's even worse with third party receivers/transmitters.
If anyone knows why I'd love an education.
With the Canon system, if you're using a flash On-Camera it is always in GROUP A. So if you're trying to use a second flash in GROUP A as an Off-Camera flash the system has to fire both GROUP A lights at the same power which can cause problems in TTL.
If you're using TTL with OCFs, you need to reserve GROUP A for your on-camera flash and start Off-Camera lights with Group B.
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