A couple of weeks ago I was playing with my flash outside. I
wanted to create a nice portrait light on my subject while muting the
background. With the image of my son I think I did just that. Here is what I
learned.
Now depending on what
you’re after I believe that you could either start with the flash reading or
ambient light reading. I took a flash
reading with an ISO 500 my flash was an f22. Next I took the ambient light
reading and it was 2 sec at f22. Because
I was interested in having my son being the subject of the photo and not the
background, I under exposed the ambient light by a stop and quarter.
I then took the image into Photoshop and touched up then
converted it to black & white with a sepia undertone giving it that warm
feel.
So what did I learn? Simple if you are going to shoot with
flash outside then remember this. The F-Stop controls the flash exposure and
shutter speed controls the ambient light. So if you want a darker background
then change your shutter speed and under expose it. But remember if you’re in
bright sunlight then you are going to need to have high speed shutter sync for
the flash and a powerful flash, otherwise this little exercise is a moot point.
For me because I did not have either one I did this shoot at dusk. Besides that
is the look I am going for anyway.
Hope you find this helpful. Find more at my blog along with
this post.
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