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06-02-11, 01:12 PM
Join Date: Dec 2010
I am relatively new to photography but I am learning fast. I have just bought a Nissin Di622 speedlite for my Canon 40D. I set it to TTL to try it out indoors and found that on Av mode it selected a 2 sec exposure, which I thought was rather long; When I switch to Auto it set an exposure of just 1/60 sec: both identical settings and shots, both came out ok, histograms similar. When in Av I was shooting in RAW, does this make such a big difference.
I would appreciate any input to this as I am quite confused.
This was a thread I posted last night and got some good feed back. I now understand why: The flash calculated for the subject whilst the slow shutter speed calculating for the background. I've never seen this subject covered in the photoplus magazine, even when flash has been covered in detail. I think this needs covering as it is very confusing, and I'm sure I'm not the only one.
Last edited by nbgemini; 06-02-11 at
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