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color cast seemless paper ?
Old 02-05-2006, 10:46 PM   #1 (permalink)
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Hey guys,

I have been shooting on some red seemless lately. One of the things I seemed to be having a diffucult time with is the fact the the color of the red paper seems to bleed onto the model..especially her skin. How do I avoid that? I usally keep the model about 6-8ft off the background, and the lights about 4-5ft from her. Here is a recent shot as an example. There has been no photoshop at all on this save resizing.

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Re: color cast seemless paper ?
Old 02-05-2006, 10:51 PM   #2 (permalink)
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Get the model further away from the paper, and don't wrap it down on the floor (under her feet). That'll make a big difference.
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Re: color cast seemless paper ?
Old 02-05-2006, 10:53 PM   #3 (permalink)
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Make sure you don't have the light bouncing back on the model from the background. If you angle the lights correctly to light the background then the light will miss the model. You may need some book ends to block some of the light. Distance from the background is also a key.

Cheers,
rfs
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Re: color cast seemless paper ?
Old 02-05-2006, 10:59 PM   #4 (permalink)
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Thanks man...one question though...I didnt light the background. Although...the hair light was on a boom and it did have some spill off (judging by the modeling light) onto the background. Could that have caused it? Also...what if the light bounces off the floor? Would that do it as well. I had a soft box horizontally about 5ft off the ground straight on and another light further back to a 45 to models left. This was shot into a silver reflector at 1/2 stop less than the main light. Thoughts?
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Re: color cast seemless paper ?
Old 02-05-2006, 11:02 PM   #5 (permalink)
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Hey Man...

Thanks for the input....one thing though....what if I want to shoot full body head to toe? Would plexi inderneath help?
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Re: color cast seemless paper ?
Old 02-05-2006, 11:09 PM   #6 (permalink)
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I don't see how plexi would help. RFS is right that pointing the lights to more oblique angles will help, but that won't stop the red light from hitting the model. After all, it has to make it past her to the lens...and some of it is going to hit her. Move her away from the paper.

As in real estate...location, location, location.
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Re: color cast seemless paper ?
Old 02-05-2006, 11:11 PM   #7 (permalink)
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Any and all light that bounces off the red paper and hits the model will cause a red cast to appear. Obviously there was quite a bit of light hitting the background because we can see it is quite red. If shooting digital, try shooting with a Custom White balance and see if that helps.
Cheers,
rfs
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Re: color cast seemless paper ?
Old 02-06-2006, 03:58 AM   #8 (permalink)
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I have a full roll of red. Set it up one time, took a few test shots, saw the color cast and changed it out. I haven't got around to trying it again. I haven't had that problem with others...just seems to be something about that red,lol.
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Re: color cast seemless paper ?
Old 02-06-2006, 04:53 PM   #9 (permalink)
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What RFS said, definitely watch the angle og your BG lights, and do light the BG separately. Bookends are a great tool for this and lots of other situations.

Chip
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Re: color cast seemless paper ?
Old 02-06-2006, 06:47 PM   #10 (permalink)
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Since her belt is facing towards the floor and has redin it, I would guess it's from the floor. Your key light (softbox you mentioned) is most likely hitting the floor and bouncing up. Block the bottom of the softbox from hitting the floor (bookend or anything that blocks light..i'm using a few peices of ceiling drop tile) and shoot again. This will also help in the final image as the most light will be in the models top half....the eye will go straight there.
-j
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