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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 28 Jun 2008 (Saturday) 19:31
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doing an outdoor shoot, need help and conformation

 
psxindo
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Jun 28, 2008 19:31 |  #1

I'm doing an outdoor shoot soon.
equipment 30D, 580ex II and cactus trigger

first I know the best is to get under the shade and use available light.

but if there is no shade, I'll be using my 580EX II

Here is what I understand so far.
meter the background to what I want.
then use flash for fill.

This is the method I'm going to do
1. meter the background @ 1/125 and find the aperature. (ex f/8)
2. dial the setting to camera in manual @ 1/250 and the aperature (f/8) to underexposed the background by 1 stop.
3. now this is what i'm still having trouble with.
should I have the flash at the aperature (f/8) (I do have L358 flash meter)[have the dome going in and pointed at the flash] or should I have the flash so the overall aperature is at f/8 [have the dome going out and pointed at the camera]?

What is the best percentage of flash vs ambient? 60%???


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Davidoff
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Jun 28, 2008 19:50 |  #2

That's for you too decide, it's a completely personal thing. Just get there, meter the background. You may want to keep it like it is or under expose it. Then, when you're happy with the sky, get your subject where you want it. Adjust the flash until they look properly exposed. Season to taste, serve on a nice frame :)


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Curtis ­ N
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Jun 28, 2008 22:21 |  #3

When using the L-358 flash meter, it will meter both the ambient and flash and give you the correct aperture for overall exposure. The right balance between the two light sources is a matter of the situation and your goals.


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psxindo
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Jun 29, 2008 01:25 |  #4

thanks guys.
so my method is correct. just need to adjust the flash to my taste??


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Curtis ­ N
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Jun 29, 2008 03:17 |  #5

There is no single "correct" method. To change the ratio of flash/ambient in a shot, you can move the light, adjust the power, or change the shutter speed.

If you're using a meter like the L-358 that gives you the percent flash in the exposure, then you don't need to meter the background first. You can adjust the light or the shutter speed until you have the ratio you want, set your aperture according to the overall reading, and shoot.


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shimmishim
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Jun 29, 2008 13:00 |  #6

Glad I found this thread. I've been wondering about this whole metering the background stuff. Now it all makes sense! Thanks again Mr. Master Flasher! :)


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doing an outdoor shoot, need help and conformation
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