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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 27 Oct 2010 (Wednesday) 13:57
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Random Chromakey Question

 
css7493
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Oct 27, 2010 13:57 |  #1

I just recently got hired to shoot a session for a young girl wanting save-the-date photos for her Bat Mitzvah, she wants to mimic a glee poster with her in all shots:

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(this doesn't violate posting rules does it?)

I'm looking to get a chromakeyable background, probably: This one (external link)

I see that these have very low reflection, which is definitely part of the goal, but will a single strobe on the background still give a halo effect as in the sample image I posted? I would like to still get that lightened halo naturally rather than in PP. Thanks all!

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J ­ Kacey
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Oct 27, 2010 14:12 |  #2

If you want to do it in camera just purchase the different colors in 53" x 12 yard seamless paper.... (Like this) (external link)

Add one flash with a gridded 7 inch reflector and adjust the power to get the right level of gradient. I would shoot on white and add the different colored gradients in post before I used Chroma for this.

Which ever way you go. Hopefully, you come back and post some images of what you came up with. Sounds like a fun shoot.


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css7493
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Oct 27, 2010 14:31 |  #3

I had initially thought to just get narrow rolls of paper, I already have a few 107" savage and I like them, but I was thinking portability (I don't have a studio location nor liability for private residence) so I'm doing it at their house, most likely. Looks like I'd come out cheaper if i went with a few primary colors of rolls and slightly altered the colors myself.

Thanks for the advice!

PS: I have 2x580exii's and 2xYN460 ii's for this shoot (also a 420 ex, but probably useless), never used a grid reflector, mind directing me to a good thread? I'm confident enough in my studio work to do this project but obviously I want to do it as best I can. These clients are very well connected and could get me and endless amount of references.


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css7493
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Nov 15, 2010 14:04 as a reply to  @ css7493's post |  #4

Bump

I've got this gig coming up in the next couple of weeks. Anyone mind helping me decompose some ways to approach this


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Seanzky
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Nov 15, 2010 14:08 |  #5

I would do it the way Jerry suggested and avoid the whole post process work with a chroma BG.




  
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Nov 15, 2010 14:08 |  #6

With chromakey, you will be removing the entire background, replacing it with something of your choosing. So, the "halo" is something you'll have to add with the new image you use as the background.

Shooting chromakey, you'll want to light the background as evenly as possible so that you can easily select and remove the green from the image.


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Seanzky
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Nov 15, 2010 14:11 |  #7

Gatorboy wrote in post #11288868 (external link)
With chromakey, you will be removing the entire background, replacing it with something of your choosing. So, the "halo" is something you'll have to add with the image you use as the background.

Shooting chromakey, you'll want to light the background as evenly as possible so that you can easily select and remove the green from the image.

Exactly. I agree with this. It's not extremely difficult using chroma BGs but it's going to require extra steps. Where as if you just switch backgrounds for each pose, while the entire lighting set up stays the same, all you have to do when you get home is put together the photos in one poster or whatever.




  
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Nov 15, 2010 14:14 |  #8

I'd get black paper, and gel it with different colors. Much easier, faster and cheaper.


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css7493
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Nov 15, 2010 14:17 as a reply to  @ Seanzky's post |  #9

Thanks for the suggestions.

I was planning on picking up a beauty dish to play around with, think this would be appropriate here?

I was thinking a main light high left or right, lower power bare strobe on the background, and experiment with strobes on back left, right, both and none behind the subject.

What did Jerry mean by 'gridded'? Ive done quite a bit of searching and found a lot of different possible results, but none very impressive for use on a strobist setup.


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Seanzky
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Nov 15, 2010 14:19 |  #10

css7493 wrote in post #11288919 (external link)
Thanks for the suggestions.

I was planning on picking up a beauty dish to play around with, think this would be appropriate here?

I was thinking a main light high left or right, lower power bare strobe on the background, and experiment with strobes on back left, right, both and none behind the subject.

What did Jerry mean by 'gridded'? Ive done quite a bit of searching and found a lot of different possible results, but none very impressive for use on a strobist setup.

For the background light, if you had a 7" reflector with a grid on it, it would create that halo look behind the subject.




  
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css7493
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Nov 15, 2010 14:19 |  #11

Seanzky wrote in post #11288931 (external link)
For the background light, if you had a 7" reflector with a grid on it, it would create that halo look behind the subject.

Ah, with only one main light? What about a solution for a 580ex ii?


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Seanzky
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Nov 15, 2010 14:22 |  #12

I don't think each of those shots were shot with the same lighting set up (the glee poster you have there). In your case, with just one subject, you can certainly use just one set up and just play with her pose for each different colored background. Lots of props and outfit to choose from would also help.




  
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css7493
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Nov 15, 2010 14:24 |  #13

Seanzky wrote in post #11288953 (external link)
I don't think each of those shots were shot with the same lighting set up (the glee poster you have there). In your case, with just one subject, you can certainly use just one set up and just play with her pose for each different colored background. Lots of props and outfit to choose from would also help.

Yeah I can see that some of them are a simpler set up, where some look like they might have 4 or more strobes, just bouncing around ideas.

Time to order the paper and start practicing! Can't wait to get it all assembled and post some here.


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Seanzky
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Nov 15, 2010 14:26 |  #14

Looking forward to see/hear how it goes! Good luck!




  
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Random Chromakey Question
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