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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 18 Apr 2008 (Friday) 19:22
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Want to know if I have this straight in regards to using speedlight

 
slphotography
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Apr 18, 2008 19:22 |  #1

I have been doing some homework on properly using my speedlight. I am a little confused about one thing. I really don't know how to ask. So, here goes. Do I meter normally as if I were not using a flash & then compensate from there with the adjustments on my flash? For example: if I am using an 85mm lens & my subject is 10 feet away, my ISo is 100, my ss is 180 & my ap is 5.0 they what would my flash be set to? Does this question make sense or do I need to do more homework? Sorry for being dumb, just trying to figure this out. Thanks in advance for being so kind. :oops:


~Stephanie
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boyderic
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Apr 18, 2008 19:33 |  #2

what kind of flash? on camera or off?




  
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slphotography
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Apr 18, 2008 20:10 |  #3

boyderic wrote in post #5358347 (external link)
what kind of flash? on camera or off?

oops, on camera 430ex


~Stephanie
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Curtis ­ N
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Apr 18, 2008 20:21 |  #4

There is no single right way to use a flash.

But you must think of every flash photo as two exposures in one - An ambient light exposure and a flash exposure. And you will need to manage both exposures to get the intended results.


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slphotography
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Apr 18, 2008 20:27 |  #5

Curtis N wrote in post #5358590 (external link)
There is no single right way to use a flash.

But you must think of every flash photo as two exposures in one - An ambient light exposure and a flash exposure. And you will need to manage both exposures to get the intended results.

so essentially trial & error, but eventually you get an idea of what flash strengths to use & it will become second nature, correct?


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Curtis ­ N
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Apr 18, 2008 20:44 |  #6

You decide how much ambient light to include by adjusting the ambient exposure as you normally would. You can even underexpose the ambient by 3 stops or more and let the flash do all the work if you want.

You adjust the flash exposure with flash exposure compansation.

Don't call it trial and error. Call it experimenting to test different theories about what combination of light makes a pleasing image.

Yes, it will become second nature. After you take a few hundred thousand shots.
;)


"If you're not having fun, your pictures will reflect that." - Joe McNally
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slphotography
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Apr 18, 2008 20:47 |  #7

Curtis N wrote in post #5358695 (external link)
You decide how much ambient light to include by adjusting the ambient exposure as you normally would. You can even underexpose the ambient by 3 stops or more and let the flash do all the work if you want.

You adjust the flash exposure with flash exposure compansation.

Don't call it trial and error. Call it experimenting to test different theories about what combination of light makes a pleasing image.

Yes, it will become second nature. After you take a few hundred thousand shots.
;)

oh boy, a few hundred thousand, I have my work cut out for me. Eh, can't expect to get this stuff overnight. Well, off to do my homework. thanks a bunch. ;)


~Stephanie
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Titus213
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Apr 18, 2008 22:17 |  #8

And I didn't see anyone mention this - keep your flash in ETTL. At least for now.


Dave
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Jim ­ M
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Apr 19, 2008 00:06 |  #9

What you meter and how depends on what you want for a picture. If you need a flash just to get enough light to make a picture, then don't worry about metering for ambient light - there won't be enough. Set your flash for E-TTL mode and your camera for P or M mode. With P mode the camera will set itself to f/4 at 1/60 sec more than likely unless it is brighter than that. With M you need to pick some useful aperture and shutter speed. With E-TTL turned on, the camera will tell the flash when it thinks it has put out enough light to have made the picture and will turn it off. Fill flash is a different can of worms. It is easy to do in these modern times, but I think you just need to get past the very basics for now.




  
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Want to know if I have this straight in regards to using speedlight
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