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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 15 Dec 2009 (Tuesday) 13:59
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need help for 5d2 and 580ex II

 
Jhap33
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Dec 15, 2009 13:59 |  #1

Hi guys i was wondering if this is normal, when I use my 580ex ii to my xsi using e-ttl mode it would give me the right exposure without doing some adjustment i just click and click and click.... So now i just received my 5D MARK II and still playing with the setting.Now every time i take some picture, do i have to click the
< * > to get the normal exposure on e-ttl mode???? Because sometimes the picture coming is over or under exposure.Am I doing something wrong or need to change some setting?

Thanks in advance


EOS R *EF 24-105 f4 * 70-200 f2.8 II L* 35 f2 IS * 40 f2.8 * 85 f1.8 * 100 f2.8 L *
-=6DII *5D2* 6D* 60D* T2i*24-105 f4 II L *24-70 f2.8 L * 35L * ∑ 17-50 f2.8 OS * Canon 50 f1.4* ∑ 50 f1.4 Sold *=-

  
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tim
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Dec 15, 2009 20:36 |  #2

Your post is quite confusing. With any Canon camera you'll need to adjust the FEC - negative for a black scene, +2 for something mostly white, +1 for people or average scenes.


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AlanU
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Dec 15, 2009 23:43 |  #3

Your getting the "typical" underexposure of a 5dmkII. My 5dmkII is brand new with the latest firmware and I am getting underexposed photo's with all 3 of my flashes when I use an FEC of 0 to +1/3.

From my xti, 50D, 5D I've always used aprox FEC +1/3 to +2/3 (or more +1)depending on the lighting situation.

On my 5dmkII I am finding I must use +2/3 to +1 1/3 to get proper exposure in a house with low ceilings.

ON YOUR CAMERA go into "External Speedlite control". In the subfolder "flash function settings" you will find E-TTLII (choices of AVERAGE or EVALUATIVE)

Try setting it to "AVERAGE" and you'll find the flash settings to be more typical to what you are more use to.

The 5dmkII has been a very odd body for me to get use to when I shoot flash exposure. So far using "average" I've been able to bounce flash the way I am more accustomed to.


5Dmkiv |5Dmkiii | 24LmkII | 85 mkII L | | 16-35L mkII | 24-70 f/2.8L mkii| 70-200 f/2.8 ISL mkII| 600EX-RT x2 | 580 EX II x2 | Einstein's
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Sony 2 x A7iii w/ Sigma MC-11 adapter | GM16-35 f/2.8 | Sigma 24-70 ART | GM70-200 f/2.8 |Sigma Art 24 f/1.4 | Sigma ART 35 f/1.2 | FE85 f/1.8 | Sigma ART 105 f/1.4 | Godox V860iiS & V1S

  
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Shenanigans
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Dec 16, 2009 02:28 |  #4

Do you focus and recompose when taking the underexposed photos?




  
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tim
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Dec 16, 2009 04:38 |  #5

AlanU wrote in post #9206720 (external link)
Your getting the "typical" underexposure of a 5dmkII. My 5dmkII is brand new with the latest firmware and I am getting underexposed photo's with all 3 of my flashes when I use an FEC of 0 to +1/3.

Um, you're using it wrong. You need to understand flash metering, it's not a point and shoot.


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AlanU
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Dec 16, 2009 10:37 |  #6

tim wrote in post #9207526 (external link)
Um, you're using it wrong. You need to understand flash metering, it's not a point and shoot.


Um Tim.........:rolleyes:

Do you own a 5dmkII?

Google "5dmkII undexposure" and you'll hear alot of people with the identical behaviour as mine. I've only experienced using a xti, 40D, 50d, T1i, 5d classic and now 5dmkII. The 5dmkII reacts differently compared to all of the other bodies I've owned and used. All of the other bodies mentioned will not underxpose in "Flash Exposure" with a flash FEC setting of +1/3 (example: f/5.6, 1/125, ISO 400 indoors with low cielings) With the 5dmkII it will require 2/3 to +1 FEC to prevent underexposure. I PM'd Bodank and Wim (in Netherlands) and their 5dmkII's exhibit similar behaviour. And they must bump up the FEC more than other bodies.

If your flash is the only source of light with little ambient the 5dmkII seems to behave differently.

Tim, I understand flash metering. Read other "owners" of the 5dmkii and they will also confirm this behaviour.

Using ETTL-II "Average" isn't the silver bullet as someone mentioned on the net. It does behave similar to what I am use to when I bounce flash.

Tim please test drive a 5dmkII before making comments on "point 'n shoot" mentality. Those comments appears abrasive/pompous but I actually fell of my chair laughing.


5Dmkiv |5Dmkiii | 24LmkII | 85 mkII L | | 16-35L mkII | 24-70 f/2.8L mkii| 70-200 f/2.8 ISL mkII| 600EX-RT x2 | 580 EX II x2 | Einstein's
Fuji - gone
Sony 2 x A7iii w/ Sigma MC-11 adapter | GM16-35 f/2.8 | Sigma 24-70 ART | GM70-200 f/2.8 |Sigma Art 24 f/1.4 | Sigma ART 35 f/1.2 | FE85 f/1.8 | Sigma ART 105 f/1.4 | Godox V860iiS & V1S

  
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tim
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Dec 16, 2009 15:03 |  #7

Ok, sorry for the inflammatory comment.

The masses aren't always right, i'm sure many people who are saying "the 5D2 with a 580II underexposes" don't know what FEC is or how to use it. Generally, with every camera i've had from 10D to 7D to 5D you will need FEC+1 for shooting a person with flash as the main light and FEC+2 if you're shooting a bride in a white dress. For photographing a person full length against a white wall it'll be beteebn +1 and +2.

Fortunately the solution's simple - increase your FEC, and use the histogram.


Professional wedding photographer, solution architect and general technical guy with multiple Amazon Web Services certifications.
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BrianMc3
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Dec 16, 2009 15:51 as a reply to  @ tim's post |  #8

I have a 5DII and 4 580 EXIIs and I don't experience any problems. I do adjust accordingly using shutter speed, aperture, exposure and flash compensation to create my images. I also had the XTI, 50D and a 7D. I'm befuddled with this post.


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Jhap33
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Dec 16, 2009 15:57 |  #9

thanks guys for the help..so far its works i have to set the fec to 1/2 to +2/3 or more to get proper exposures on ettl mode,.. I found some old tread https://photography-on-the.net/forum/showthre​ad.php?t=639531


EOS R *EF 24-105 f4 * 70-200 f2.8 II L* 35 f2 IS * 40 f2.8 * 85 f1.8 * 100 f2.8 L *
-=6DII *5D2* 6D* 60D* T2i*24-105 f4 II L *24-70 f2.8 L * 35L * ∑ 17-50 f2.8 OS * Canon 50 f1.4* ∑ 50 f1.4 Sold *=-

  
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40Dude6aedyk
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Dec 16, 2009 15:59 as a reply to  @ Jhap33's post |  #10

So it seems that every camera body and speedlite combo has a different personality. Your task it to figure out that personality and mold it to the way you like your flash photos to appear. That doesn't seem too hard to me.


Canon 40D; Canon 70-200 mm f/2.8L IS, 17-55mm f/2.8 IS, 85 mm f/1.8; 580EX II; Sigma EF-530 DG Super; CyberSyncs

  
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need help for 5d2 and 580ex II
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