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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 11 Nov 2010 (Thursday) 23:21
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Part of my photos not illuminated

 
alpharon
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Nov 11, 2010 23:21 |  #1

So, I've had my Cowboy Studio Triggers and 580EXII for sometime now, but haven't been able to test them out until tonight.

I think the results would look great except for the unilluminated section running along one side of the photos.

I've uploaded one photo in landcape and one photo in portrait to show what I mean. This only occurs when I use the Cowboy Studio Triggers and my 580EXII flash. There are no problems when the flash is mounted to the camera hot shoe.

Can anyone help me figure this out?

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR


IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR

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FlashZebra
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Nov 11, 2010 23:24 |  #2

1) Limit your shutter speed to 1/125 second.

2) If your shutter speed is already at 1/125 second or slower check all the batteries in you radio slave set.

Your camera's shutter is covering part of the image frame when your flash fires.

Read this carefully to understand the intrigue involved.

http://en.wikipedia.or​g/wiki/Focal-plane_shutter (external link)

Enjoy! Lon


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Lichtwerk
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Nov 11, 2010 23:26 |  #3

What Lon said.

Here's a (curiously 4 pages long) thread on the same problem: sync speed.


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Semmonka
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Nov 11, 2010 23:27 |  #4

Your shutter speed is faster than sync speed. Check out the manual what is cameras sync speed and dont go above that.


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alpharon
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Nov 11, 2010 23:30 |  #5

I'll try that. Thanks for posting the other link. I usually do a search first, but I had a brain fart!


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July357
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Nov 12, 2010 00:00 as a reply to  @ alpharon's post |  #6

What about high speed sync?


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snedigity
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Nov 12, 2010 01:03 |  #7

That one is easy. Shutter speed is too quick. I use to do then when I went from my 30D to 5D. It would piss me off so bad until I knew what was going on. I can't be any help with High Speed Sync.


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MG30D
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Nov 12, 2010 01:17 as a reply to  @ snedigity's post |  #8

answer: http://www.youtube.com​/watch?v=NcCumJbbwcM (external link)

The 580EX does have high-speed sync..but you have to enable this:

This series may help you:

http://www.youtube.com …F61074&index=0&​playnext=1 (external link)

You can shoot beyond 1/250th with high speed sync :)


https://photography-on-the.net …?p=7819436&post​count=1777

  
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klr.b
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Nov 12, 2010 01:52 |  #9

July357 wrote in post #11269639 (external link)
What about high speed sync?

MG30D wrote in post #11269899 (external link)
answer: http://www.youtube.com​/watch?v=NcCumJbbwcM (external link)

The 580EX does have high-speed sync..but you have to enable this:

This series may help you:

http://www.youtube.com …F61074&index=0&​playnext=1 (external link)

You can shoot beyond 1/250th with high speed sync :)

While the 580exII is capable of using HSS, you also need a trigger set that's capable of it.


gordon
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egordon99
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Nov 12, 2010 07:46 |  #10

July357 wrote in post #11269639 (external link)
What about high speed sync?

You can't use HSS (or even ETTL) with simple radio triggers.




  
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kokakaste2
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Nov 12, 2010 08:06 |  #11

egordon99 wrote in post #11270806 (external link)
You can't use HSS (or even ETTL) with simple radio triggers.

or studio strobes, HSS (ETTL) is speedlite thing.


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Part of my photos not illuminated
FORUMS General Gear Talk Flash and Studio Lighting 
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