<p>Firstly,<strong> I am truly embarrassed to have to ask this question.</strong> I consider myself to be a very experienced photographer and rarely have trouble with any part of the techniques required. However, I very rarely use flash. In fact, I use it so rarely that I literally have no idea where I put my 580EX... I'll have to start looking for it soon. </p>
<p>Anyway, I have the unfortunate task of photographing a friend's wedding soon... a task I always dread. For this wedding and location I am going to need to use fill in flash quite a lot (indoors and outdoors). Whilst I am perfectly comfortable using flash as the main source of light indoors, I have little experience of fill-in.</p>
<p>What I need to know is the ideal setting to have the 580 on so that I can get decent fill-in flash results in most lighting conditions, especially outdoors in bright light. I am guessing I will need to put it into high speed sync mode so that it will work at all shutter speeds. Obviously this will be essential when shooting with a wide aperture in bright light.</p>
<p>Any simple tips or guidance you wedding snappers can offer?</p>
<p>Obviously I am going to have an hour or so practicing with fill-in flash before the big day but would like some input and to know of any possible pitfalls to help me out.<br>
:-)</p>
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