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DPChallenge Forums >> Photography Discussion >> Underexposing the background
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07/10/2011 07:03:26 PM · #1
Hello all,

I am getting into flash more and more these days. Right now i'm really liking the underexposed background look, but I am having trouble achieving this. I am shooting with a Nikon D300 and my 70-200mm f2.8 lens. I'm going to say what I think is hindering my effect in the first place to save you all reading time. I'm using a Nikon SB-800 Flash, on manual, my camera is also on manual and i'm shooting in daylight... I'm assuming that the small flash unit isn't powerful enough to underexpose the background with the sun still out as the sun is a more powerful light source?...

If I am wrong... here are the settings I was playing with:

Flash on 1/1 ratio ( Full Power)
Shutter 1/250th
Aperture 2.8
ISO 100

I'm getting some underexposure but not quite what i'm looking for.

I'm a HUGE fan of Zack Arias and I have watched his " One Light DVD" a million times but I don't seem to get the effect he gets from it... any suggestions?

OH YES.. and i'm using a westcott 60" umbrella reflected as well...
07/10/2011 07:18:40 PM · #2
If you are shooting in daylight, at 1/250 you should be at f11 or f16 depending on the time of day. This will give you a slightly underexposed sky. Your speed lite is powerful enough to over power the sun but it has to be real close to your subject.

F2.8 will not underexpose the sky for what you are looking for.

Leo

Eta sometimes you might even be at f22! You will need some real power for that, extra speedlites in the same position or some post work to achieve the look you are looking for.



Message edited by author 2011-07-10 19:20:44.
07/10/2011 07:23:09 PM · #3
Ahhh I knew there was something I was missing! now that you say that it makes so much sense! thank you so much!
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