need help with 580EX ii on my 70D

Started Jun 3, 2014 | Questions thread
Kasra A
Kasra A Regular Member • Posts: 187
Re: need help with 580EX ii on my 70D

fastHID wrote:

I only need a speedlight a few times a year, and just received a 580EX ii. In testing it last night in a moderately lighted room, set to ETTL, I could only get dark, muddy results.

ISO seems to be stuck on 400, aperture on f4 and shutter on 1/60 in TV, AV, and P modes. In full auto mode it ramps up to ISO 1600 with lousy, dark results. I set upper limits on ISO to 12000.

This was with ISO set to Auto. I'm reading but not finding my problem. Help please!

Check out this article. It seems to address your issue:

To be honest, I didn't personally bothered to read it myself. But I remember someone had a very similar problem with a 60D a while ago, and somebody suggested this article.

Here's the thread:

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