Use 580EX flash to help focusing?

Started Oct 10, 2012 | Discussions thread
Will Patterson Forum Member • Posts: 82
Re: Don't expect a miracle

How do you switch the flash off but keep the beam active?

I shot an evening wedding part last week (all with flash) as it was seriously poor lighting and my 5d mk2 did surprisingly well under the circumstances, which i'd put down largely to the flash assist. I'd borrowed a friends 7D as a backup and was quite impressed by it, though the sweetspot for me would be the 5D mk3. Come on lottery numbers.

 Will Patterson's gear list:Will Patterson's gear list
Canon EOS 5D Mark III
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