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Urgent bounce flash question 760D owners

Started Jul 12, 2015 | Discussions thread
RSCPA Forum Member • Posts: 67
Re: Thanks
1

walkaround wrote:

Here are a few more relevant historical posts, just for fun. Deja vu?

"It's funny that when one uses FEL it generally gives a good exposure. I would have thought that the preflash in E-TTL II would have given similary consistent results. When shooting candid moments in rapid succession it is often not possible to spend time doing FEL and also makng FEC compensations etc." [Dec 26, 2006]

"I have noticed that when taking indoor shots with my 5D Mark II and a 580EX II flash that the pictures seem to always come out underexposed. I am using the P mode on the camera. If I set the FEC to +2/3 or +1 the exposure seems to be correct. Is this normal? It seems that the camera should be able to better meter the light in order to produce a shot with correct exposure without having to compensate for it. I am fine with making adjustments to get the correct exposure, but just wanted to make sure that something wasn't wacky with my camera/flash." [Feb 01, 2009]

"Anyway, the key words in E-TTL are in the initials: through the lens. The camera looks through the lens at the pre-flash and, in the case of a Canon camera, decides to underexpose by 2/3 to 1 stops." [same link as above]

The quote above regarding the 5D Mark II doesn't mention using bounce or diffused flash and using FEC seems to correct that particular exposure problem. On my 70D, the FEC does absolutely nothing to increase the exposure on the photos in question which are much more under exposed than 1 stop. Even setting FEC to +3 has no effect whatsoever on the photo. It's the same as if FEC were still set to zero.

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