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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 14 Oct 2013 (Monday) 13:07
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Newbie Studio Light/Ambient light question!

 
lisaannephotography
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Oct 14, 2013 13:07 |  #1

So I used to shoot in a room with no natural light, & now I use my living room which has a large sliding door (with curtain). I just use an AB 800 with a large octabox and I notice since I switched rooms my white balance is a little funny & I have weird lighting on some photos. I thought that my strobe would overpower the natural light and not make a difference? I've read SS can affect ambient light. Help a newb out - should I throw a blackout curtain over the window or what?




  
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sdipirro
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Oct 14, 2013 13:16 |  #2

You have a number of options. However, you're right that SS will impact the amount of ambient. What are you shooting for aperture, shutter speed, and ISO in the studio? You can raise the SS to your camera's xsync speed to see if that kills the ambient. You can do as you say and cover the window. You can also gel the strobe to match the color temp of the window light.


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Oct 14, 2013 13:19 |  #3

Well you could:
Shoot at a time of the day when the sun isn't streaming through the window.
Get a heavier curtain.
Use your base iso (100).
Use your max sync speed.
Use a smaller aperture.
Wait until the sun goes down.


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lisaannephotography
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Oct 14, 2013 15:14 |  #4

sdipirro wrote in post #16370383 (external link)
You have a number of options. However, you're right that SS will impact the amount of ambient. What are you shooting for aperture, shutter speed, and ISO in the studio? You can raise the SS to your camera's xsync speed to see if that kills the ambient. You can do as you say and cover the window. You can also gel the strobe to match the color temp of the window light.

I'm shooting F/stop between 3.2-5.6 ( I shoot newborns & babies, toddlers, etc.), ISO 100, SS 160 If I raise the SS by a lot will I need to adjust other settings? Thanks for your comment!




  
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D ­ Thompson
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Oct 14, 2013 17:15 |  #5

A simple way to tell if ambient is contributing is to take a shot without the AB800 on with the same camera settings.


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sdipirro
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Oct 15, 2013 11:06 |  #6

Raising the shutter speed (up to max synch speed for your camera) will only affect the ambient light contribution. You won't have to change other settings UNLESS ambient light is a major contributor to the overall lighting. If you have a light meter, meter the strobe at f8 and set the shutter speed to 1/200 or 1/250, leaving the ISO at 100, and see if there's any contribution from the ambient light.


Cameras: 1DX, 1D4, 20D, 10D, S90, G2
Lenses: Canon 10-22mm, 16-35mm f2.8L II, 24-70mm f2.8L, 70-200mm f2.8L IS, 300mm f2.8L IS, 200mm f2L IS, 50mm f1.4, 50mm f1.2L, 85mm f1.2L, 1.4x TC, 2x TC, 500D macro, Zeiss 21mm
Lighting: 580EX, Elinchrom 600 RX's, D-Lite 4's, ABR800, 74" Eli Octa, 100cm/70cm DOs, Photoflex Medium Octa and reflectors, PW's, Lastolite Hilite, Newton Di400CR bracket

  
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gonzogolf
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Oct 15, 2013 11:08 |  #7

D Thompson wrote in post #16371026 (external link)
A simple way to tell if ambient is contributing is to take a shot without the AB800 on with the same camera settings.

Try this before you do anything else. If you take a shot at the max sync speed of your camera without the lights you will see exactly what your ambient contribution will be. Then you will know for certain whether its worth the bother.




  
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Submariner
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Oct 16, 2013 09:05 as a reply to  @ gonzogolf's post |  #8

If you are getting erratic exposures and use a tripod. Try covering the viewfinder.
As in extreme and pretty unusual circumstances they say light entering this can effect exposure.

Not happened to me but something to rule out. The cover is / came on the strap on my 2 Canons.


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Newbie Studio Light/Ambient light question!
FORUMS General Gear Talk Flash and Studio Lighting 
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