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FORUMS Photography Talk by Genre Weddings & Other Family Events Talk 
Thread started 13 Apr 2010 (Tuesday) 05:14
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7D and 5D2 blowing faces at weddings ?

 
Rob ­ Wilkinson
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Apr 15, 2010 01:31 as a reply to  @ post 9998175 |  #16

I started a thread about the same inconsistent results from a 580ex2, albeit on a different body. Still haven't figured it out... the thing just overexposes on a massive scale sometimes, irregardless of metering mode, etc., etc.

https://photography-on-the.net/forum/showthre​ad.php?t=816197

Check out the examples on page 2, look familiar?


Come have a look: http://www.resolutionp​hoto.net (external link)

  
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m1ng
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Apr 15, 2010 07:00 |  #17

Spot metering works well for me when shooting in manual and then adjusting the shutter as per required with the 5DM2




  
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RT ­ McAllister
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Apr 15, 2010 08:51 |  #18

Rob Wilkinson wrote in post #9998208 (external link)
I started a thread about the same inconsistent results from a 580ex2, albeit on a different body. Still haven't figured it out... the thing just overexposes on a massive scale sometimes, irregardless of metering mode, etc., etc.

https://photography-on-the.net/forum/showthre​ad.php?t=816197

Check out the examples on page 2, look familiar?

I read the thread. This has happened to me once on a 50d in ETTL. No matter how far I stopped down the pic would overexpose. Never did figure it out. Hasn't happened since.

Maybe a fly was perched on the sensor... who knows.




  
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Pigsy
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Apr 15, 2010 18:17 |  #19

Rob Wilkinson wrote in post #9998208 (external link)
I started a thread about the same inconsistent results from a 580ex2, albeit on a different body. Still haven't figured it out... the thing just overexposes on a massive scale sometimes, irregardless of metering mode, etc., etc.

https://photography-on-the.net/forum/showthre​ad.php?t=816197

Check out the examples on page 2, look familiar?

Hi Rob,

Just read your saga, and yep, that looks exactly like what I've been getting. Flash output all over the place, on two different flash units, and two seperate bodies.
I've also tried the cleaning of all contacts with alcohol, but nope.

Did you ever get to a conclusion with the issue then?

It's driving me nuts !

Thanks all, for your input, and but I'm afraid the search for an answer goes on, at least for now.

Jim..


https://photography-on-the.net …php?do=newreply​&p=3054829

  
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Rob ­ Wilkinson
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Apr 15, 2010 19:42 |  #20

Pigsy wrote in post #10002777 (external link)
Hi Rob,

Just read your saga, and yep, that looks exactly like what I've been getting. Flash output all over the place, on two different flash units, and two seperate bodies.
I've also tried the cleaning of all contacts with alcohol, but nope.

Did you ever get to a conclusion with the issue then?

It's driving me nuts !

Thanks all, for your input, and but I'm afraid the search for an answer goes on, at least for now.

Jim..

Unfortunately I haven't found an answer yet. I'm convinced it has something to do with the software, or the 580ex2's ability to communicate with the camera's software/flash exposure compensation. When the e-ttl is working properly, changing the aperture doesn't (and shouldn't) have much effect at all on foreground exposure, and that is exactly what is happening, but at 4+ stops overexposed. It is like the flash exposure compensation jumps to +4 even when it is set to 0...

My 420exs + 20D never did this once. Only when I moved to the 580exII and 40/50D did the problem arise... I've cleaned the contacts, I've tightened screws, I've prayed to the gods of wedding photography, but I still get massive overexposure at totally random times. Worse of all, when I come home to reproduce the issue in the studio, it usually works as intended. The images in the other thread are the only time I've successfully reproduced the problem.


Come have a look: http://www.resolutionp​hoto.net (external link)

  
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tim
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Apr 15, 2010 22:50 |  #21

I keep misreading "faces" as "feces", which gives the thread a whole different meaning. My cameras certainly don't blow feces.


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Pigsy
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Apr 16, 2010 05:05 as a reply to  @ tim's post |  #22

Yeah Tim that does give it a whole nother meaning ...

As far as I'm concerned, my kit right now might as well be a pile of faeces !

Was out yesterday and it was doing it yet again !!

Flash exposure is all over the place ... then it settles down, and may, or may not behave .. but on 2x bodies and 2x flash units ...

I give up ... Nikon is starting to look better by the day ..:shock:

My 20D broke several times. One of my 40D developed a stuck shutter button, and the other one constantly underexposed by about 3/4 of a stop after owning it for 13 months

So I got rid of all that for a 7D and a 5D2 and now this .. :rolleyes:

Plus as I said, less than happy that both new bodies are waaay slower at focussing in the dark then my 40Ds
:cry:


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sapearl
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Apr 16, 2010 05:34 |  #23

Jim - no disrespect intended but are you somewhat rough on your gear or is it subjected to extreme weather or "use" conditions? You seem to have a lot of problems compared to many of us who use or equipment extensively but with less aggravation.


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tim
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Apr 16, 2010 07:11 |  #24

sapearl wrote in post #10005404 (external link)
Jim - no disrespect intended but are you somewhat rough on your gear or is it subjected to extreme weather or "use" conditions? You seem to have a lot of problems compared to many of us who use or equipment extensively but with less aggravation.

I dunno, I have enough aggravation from my gear i'm considering a D3x.


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Read all my FAQs (wedding, printing, lighting, books, etc)

  
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sapearl
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Apr 16, 2010 07:16 |  #25

Seriously Tim? Or are we just seeing some more of that kiwi humor :D.

tim wrote in post #10005604 (external link)
I dunno, I have enough aggravation from my gear i'm considering a D3x.


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Pigsy
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Apr 16, 2010 09:18 as a reply to  @ sapearl's post |  #26

Stuart, no, not really, just unlucky I guess.

Nikons probably have their own issues anyway, but you go out and buy this level of kit, it should just work you know?

It's hard enough to guess when someone's going to laugh, or cry, and what settings you should be on for the shot that's coming up in 5 seconds. Never mind get all the shots that every bride wants, and deserves, without the damn kit playing up every 50 shots or so.

Anyway, we'll move on, as nobody seems to be having the same issues as me, except for Rob, who it would appear has had exactly the same issue, but has never found the cause of it.

Tim if you do jump, let me know, I might just follow you

Jim..


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Rob ­ Wilkinson
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Apr 16, 2010 13:43 as a reply to  @ Pigsy's post |  #27

Jim,

Have you noticed the issue happening across different lenses as well? I only seem to have the problem with wide angles... Could it be a fault with the lens that is confusing the e-ttl I wonder?


Come have a look: http://www.resolutionp​hoto.net (external link)

  
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Pigsy
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Apr 16, 2010 15:12 as a reply to  @ Rob Wilkinson's post |  #28

Rob,

It has certainly happened across different lenses, Sigma 10-20 canon 24-105 canon 17-55 etc
I've never seen it on my 70-200, or 100-400 but then I'm normally a good distance away when using them, and the flash can't blast over everything at that sort of range.

I spent a good part of today trying to fault find, but of course it won't do it now!

I swear it knows when I'm on a shoot as opposed to just playing!
Jim..


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jerrybsmith
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Apr 18, 2010 12:19 |  #29

I have a 5D that will often blow out flash exposures. I've tried every possible exposure setting and it still happens. Not always but enough that I sent it to Canon for repair twice. Problem still exists enough that I replaced it with a 5DII and delegate it to backup or no flash settings.


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Rob ­ Wilkinson
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Apr 18, 2010 13:18 as a reply to  @ jerrybsmith's post |  #30

Did Canon say anything specific about the issue or were they just unable to fix it? Did they SAY it was fixed each time?


Come have a look: http://www.resolutionp​hoto.net (external link)

  
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7D and 5D2 blowing faces at weddings ?
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