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Thread started 03 Dec 2008 (Wednesday) 08:47
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TGrundvig
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Nov 04, 2011 18:08 |  #9061

This question may not be in the right section, but since this is a 1Ds2 thread.....I'm hoping someone can help.

I have a 1Ds2 and when I put my 580ex II on it everything works fine, until I change the flash to Manual. For some reason, when I change the flash to Manual it sets the shutter speed to 1/250 in Av mode. No matter which dial I turn, the SS stays at 1/250. The same thing for P mode, not that I use P, but maybe that information is helpful.

I would like to be able to use my flash in Av mode and not have the SS locked at 1/250, what do I need to do in order to correct this?

Thanks in advance!

Tyler

EDIT: After further investigation, here is what I am getting:

In ETTL mode on flash, no problems at all.

In Manual mode on flash:
Av Mode: SS locked at 1/250, aperture can be changed
P Mode: SS locked at 1/250, aperture locked at f/22
M Mode: SS can be changed, aperture can be changed
Tv Mode: SS can be changed, aperture locked at f/22

If I turn on HSS on the flash, the SS locks at 1/8000 on the camera when in Av mode.

Therefore, I took the 580ex II off my 1Ds2 and put it on my 40D, turned on the 40D and changed all the shooting modes....absolutely no issues with the 40D and Manual mode on the flash.


1Ds Mk II, 1D Mk II, 50D, 40D, XT (for my son), 17-40L, 24-105L, Bigma 50-500 EX DG, Sigma 150 Macro EX DG, Tokina 12-24 AT-X, Nifty Fifty, Tamron 28-300 (for my son), 580ex II, 430ex II

  
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sonnyc
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Nov 04, 2011 20:53 |  #9062

On the 1ds2, the max sync speed is 1/250 when you in AV mode. In M you can set higher but you'll see the black curtain. In HSS, you can set it higher but the flash will do really fast short bursts.

I think the 40D can control the 580exII from the camera therefore the control is different. But regardless max sync speed is still 1/250.


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TGrundvig
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Nov 04, 2011 21:07 |  #9063

4x4rock wrote in post #13355782 (external link)
On the 1ds2, the max sync speed is 1/250 when you in AV mode. In M you can set higher but you'll see the black curtain. In HSS, you can set it higher but the flash will do really fast short bursts.

I think the 40D can control the 580exII from the camera therefore the control is different. But regardless max sync speed is still 1/250.

I understand the max sync speed, what I don't understand is why the shutter speed is locked at 1/250 in Av mode. No matter what I do, I can not get the shutter speed to change from 1/250 when the flash is in Manual mode. In ETTL mode (on the flash), Av works like normal, I set the aperture I want and the camera sets the shutter speed. However, when I turn the flash from ETTL to Manual mode, the shutter speed locks at 1/250. It just doesn't make sense.

I tried my 580ex II on my 1D2 and it does the same thing. I also tried my 430ex II on both of my EOS-1 cameras and I get the same thing. Its like there is a breakdown in communication between the body and the flash when the flash is in manual mode. Yet, I put the same flashes on my 40D or 50D and turn the flash to Manual mode and all the custom shooting modes work just fine.


1Ds Mk II, 1D Mk II, 50D, 40D, XT (for my son), 17-40L, 24-105L, Bigma 50-500 EX DG, Sigma 150 Macro EX DG, Tokina 12-24 AT-X, Nifty Fifty, Tamron 28-300 (for my son), 580ex II, 430ex II

  
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pilsburypie
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Nov 05, 2011 08:40 |  #9064

Sounds like a fault. Are the contacts clean on the shoe and foot? I had a similar problem a short while back with apperture stuck at f8 when I hadn't mounted the flash correctly....


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TGrundvig
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Nov 05, 2011 11:22 |  #9065

pilsburypie wrote in post #13356954 (external link)
Sounds like a fault. Are the contacts clean on the shoe and foot? I had a similar problem a short while back with apperture stuck at f8 when I hadn't mounted the flash correctly....

All the contacts are clean and I doubt it is a fault. It happens with both of my flashes on both of my EOS-1 bodies. However, if I put both flashes on my 40D or 50D, the issue goes away. If the contacts were not clean, then the flashes would not work properly on the other two cameras.


1Ds Mk II, 1D Mk II, 50D, 40D, XT (for my son), 17-40L, 24-105L, Bigma 50-500 EX DG, Sigma 150 Macro EX DG, Tokina 12-24 AT-X, Nifty Fifty, Tamron 28-300 (for my son), 580ex II, 430ex II

  
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pilsburypie
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Nov 05, 2011 13:04 |  #9066

TGrundvig wrote in post #13357405 (external link)
All the contacts are clean and I doubt it is a fault. It happens with both of my flashes on both of my EOS-1 bodies. However, if I put both flashes on my 40D or 50D, the issue goes away. If the contacts were not clean, then the flashes would not work properly on the other two cameras.

I am sitting with my body and flash now - If I do not select HSS on the flash I can not make the camera set to over 1/250 which is the sync speed. If I do select HSS I can select whatever shutter speed I like. Have you enabled HSS on your flashes?


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hxpham
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Nov 05, 2011 13:18 |  #9067

Have you tried checking your custom functions? I'm pretty sure there's one for locking the shutter speed to 1/250th in Av when a flash is connected


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TGrundvig
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Nov 05, 2011 14:53 |  #9068

pilsburypie wrote in post #13357719 (external link)
I am sitting with my body and flash now - If I do not select HSS on the flash I can not make the camera set to over 1/250 which is the sync speed. If I do select HSS I can select whatever shutter speed I like. Have you enabled HSS on your flashes?

I must not be explaining this very well.

When I set the flash to Manual mode, and the camera is in Av mode, the shutter speed is LOCKED at 1/250. No matter what I do, I can not change the shutter speed. While still in Manual mode on the flash, if I change the camera to Tv mode the aperture is LOCKED at f/22

I am not trying to shoot at over 1/250, I am trying to shoot at less than 1/250 with the flash in Manual mode and the camera in Av mode and it will not let me.

If you put your flash on your camera, turn the flash to Manual mode, set your camera to Av mode, can you change the shutter speed? Because I can not.

We all know that when the camera is in Av mode we set the aperture and the camera selects the shutter speed. However, when in Av mode and the flash on Manual mode, the shutter speed is locked at 1/250. No mater what I change the aperture to, the shutter speed stays at 1/250.

Hopefully that explains it better.


1Ds Mk II, 1D Mk II, 50D, 40D, XT (for my son), 17-40L, 24-105L, Bigma 50-500 EX DG, Sigma 150 Macro EX DG, Tokina 12-24 AT-X, Nifty Fifty, Tamron 28-300 (for my son), 580ex II, 430ex II

  
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TGrundvig
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Nov 05, 2011 14:55 |  #9069

hxpham wrote in post #13357758 (external link)
Have you tried checking your custom functions? I'm pretty sure there's one for locking the shutter speed to 1/250th in Av when a flash is connected

There is not a custom function in the 1Ds2 that does this. If there is, I can not find it. I have looked through all the custom functions and personal functions.


1Ds Mk II, 1D Mk II, 50D, 40D, XT (for my son), 17-40L, 24-105L, Bigma 50-500 EX DG, Sigma 150 Macro EX DG, Tokina 12-24 AT-X, Nifty Fifty, Tamron 28-300 (for my son), 580ex II, 430ex II

  
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TGrundvig
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Nov 05, 2011 14:57 |  #9070

I want to say, I do appreciate you all trying to help. I wonder if someone would not mind putting an EX flash on their 1Ds2 and turning the flash to Manual mode and the camera to Av mode and tell me what you get. When the flash is in ETTL mode, there is not issue, but I need this to work in Manual mode.....if it is possible.

Thanks again, I do appreciate the help.


1Ds Mk II, 1D Mk II, 50D, 40D, XT (for my son), 17-40L, 24-105L, Bigma 50-500 EX DG, Sigma 150 Macro EX DG, Tokina 12-24 AT-X, Nifty Fifty, Tamron 28-300 (for my son), 580ex II, 430ex II

  
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iceSS33
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Nov 05, 2011 15:24 |  #9071

Hi guys! Can somebody give me a few RAWs on icess33@yandex.ru (external link) or icess69@gmail.com (external link)


5DM2, Samyang 14mm, 35L, Σ 85\1.4, 135L, Σ 150\2.8 Macro

  
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george ­ m ­ w
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Nov 05, 2011 15:34 |  #9072

TG,
I don't know if they are different ( I think the 1D2 and 1DS2 are the same in this regard ), but I just did as you asked on my 1D2, and it does exactly as you say. When I switch the 430EX into manual, the camera goes to 1/250. Switch the flash to ETTL, and the camera goes into a normal Av mode of choosing a SS based on ambient.

Edit: and further, if the flash is set to HSS, then it forces the camera to 1/8000 in Manual


regards, george w

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Mark ­ Vuleta
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Nov 05, 2011 17:07 |  #9073

Interesting, I've never noticed this before but it does the same with my 1DsMk2, 30D & 350D (this with the shutter @ 1/4000th) both with 580EX & 580EX Mk2.




  
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TGrundvig
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Nov 05, 2011 17:09 |  #9074

george m w wrote in post #13358141 (external link)
TG,
I don't know if they are different ( I think the 1D2 and 1DS2 are the same in this regard ), but I just did as you asked on my 1D2, and it does exactly as you say. When I switch the 430EX into manual, the camera goes to 1/250. Switch the flash to ETTL, and the camera goes into a normal Av mode of choosing a SS based on ambient.

Edit: and further, if the flash is set to HSS, then it forces the camera to 1/8000 in Manual

Thank you, George. I feel better knowing its not just me. :D

I guess I just need to shoot in full manual if I want the flash to be in manual mode.


1Ds Mk II, 1D Mk II, 50D, 40D, XT (for my son), 17-40L, 24-105L, Bigma 50-500 EX DG, Sigma 150 Macro EX DG, Tokina 12-24 AT-X, Nifty Fifty, Tamron 28-300 (for my son), 580ex II, 430ex II

  
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george ­ m ­ w
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Nov 05, 2011 17:25 |  #9075

You're welcome. Not sure what you are trying to accomplish with your speedlite and camera in that mode, but I can tell you this: ( and I'm not ashamed to admit it ! ) when using the speedlite on my flash bracket, my most often used mode is......P. Yep...."P" ....as in "Professional" !
Now when using the studio monolights....I'm always full manual and metering everything. But for run-and-gun with a small, mobile package, a bounced speedlite in P mode is hard to beat.


regards, george w

"It's also obvious that people determined to solve user error with more expensive equipment will graduate to expensive user error."
Dave N.

  
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