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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 02 Apr 2007 (Monday) 23:41
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580EX - 550EX 2 Pocket Wizards????

 
taygull
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Apr 03, 2007 08:34 |  #16

Just so there is no confusion, as I stated in my initial thread I'm not wanting to use ETTL. I am wanting to use these just like studio strobes for location shoots. I don't have a problem metering the flash units as long as I can figure out how to adjust each one to the desired output.


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PacAce
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Apr 03, 2007 08:48 |  #17

taygull wrote in post #2977224 (external link)
Just so there is no confusion, as I stated in my initial thread I'm not wanting to use ETTL. I am wanting to use these just like studio strobes for location shoots. I don't have a problem metering the flash units as long as I can figure out how to adjust each one to the desired output.

There are two ways you can set the EX flashes to manual mode in a wireless remote configuration. In both cases the master is set to Manual mode. The difference is how the slave is set.

With the first method, the slave is set to ETTL mode and its output is controlled via the master. On the master, turn ratio on (either A:B or A:B:C depending on how many groups you want to use) and then set the master and slave power outputs on master.

With the 2nd method, the slave is set to Manual mode. Since the flash will not immediately switch to manual mode when it is in slave mode you will need to hold down the Mode button until the letter "M" flashes on the LCD display (the M will continue to flash in this mode). Once it's in manual mode you can set the flash power output on the slave flash itself.

Since you said you'll be bouncing the flash off an umbrella, you'll need to rely on a flash meter to get the correct output for the ratio you want.


...Leo

  
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taygull
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Apr 03, 2007 08:54 |  #18

PacAce wrote in post #2977275 (external link)
There are two ways you can set the EX flashes to manual mode in a wireless remote configuration. In both cases the master is set to Manual mode. The difference is how the slave is set.

With the first method, the slave is set to ETTL mode and its output is controlled via the master. On the master, turn ratio on (either A:B or A:B:C depending on how many groups you want to use) and then set the master and slave power outputs on master.

With the 2nd method, the slave is set to Manual mode. Since the flash will not immediately switch to manual mode when it is in slave mode you will need to hold down the Mode button until the letter "M" flashes on the LCD display (the M will continue to flash in this mode). Once it's in manual mode you can set the flash power output on the slave flash itself.

Since you said you'll be bouncing the flash off an umbrella, you'll need to rely on a flash meter to get the correct output for the ratio you want.

Thanks, this is the type of info I was looking for. I thought I tried what you have suggested but will try again.

Do you know if it matters which one to use as the master/slave? Meaning which way makes it the easiest way to control the light, with the 580 the master do I have more control over the 550 as a slave or using the 550 as the master gives me better and easier adjustments on the 580 as the slave?

Yes I will use a light meter, thanks.


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PacAce
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Apr 03, 2007 09:21 |  #19

taygull wrote in post #2977299 (external link)
Thanks, this is the type of info I was looking for. I thought I tried what you have suggested but will try again.

Do you know if it matters which one to use as the master/slave? Meaning which way makes it the easiest way to control the light, with the 580 the master do I have more control over the 550 as a slave or using the 550 as the master gives me better and easier adjustments on the 580 as the slave?

Yes I will use a light meter, thanks.

I guess it's just a matter of personal choice. They both have equal capabilities. The difference is the ergonomics and which one you think is easier to control. I usually use the 580EX as the master and the 550EX as the slave. But I have used the 550EX as the master when that was the one closest to me when I was reaching for a master flash.


...Leo

  
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René ­ Damkot
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Apr 04, 2007 04:25 |  #20

I'd use the 580 as master, because I prefer the ergonomics...
How did the shoot turn out?


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taygull
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Apr 04, 2007 07:16 |  #21

It turned out fine, I did not use them in this setup as I was not confident I could control them.

I did stop by my camera shop and the advice they offered was for me to get an additional PW, this would give me a PW to each unit and then control them 100% manual. He did not think I could get the control I wanted using the Master/Slave combo. I'll have to test it this weekend when I'm not under the gun.

I used a window as my main light having the subject look into it and a tiny amount of bounced flash.


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580EX - 550EX 2 Pocket Wizards????
FORUMS General Gear Talk Flash and Studio Lighting 
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