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Print for magazine, but to hard white and black

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  #1  
Old 07-13-2009, 03:24 PM
domis domis is offline
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Print for magazine, but to hard white and black

The light in this arm is 100% white - C:0% M:0% Y:0% K:0%.
Is it true that this will cause a 'burned' out effect on print for e.g magazines and newspaper? I can decrease the highlights in variations with like 3 pixels, but is that necessary?

Same with blacks - if its 100% black, i can decrease it to 97%, but again, do i really need to do that?

Im retouching some pictures that all have bright lights which im afraid that can cause problems magazines. Can anyone clear this up for me?
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Old 07-13-2009, 04:34 PM
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Flotsam Flotsam is offline
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Re: Print for magazine, but to hard white and blac

Yes it can cause problems when printed as generally there will be some dot gain on the press which gives an "edge" where the dots start and finish.
You could use Variations to increase the highlight values but it would be better done in curves where you have more control over the colours you are increasing in value. Variations may add more Cyan than Magenta and Yellow to fleshtones, which you don't want.
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Old 07-13-2009, 05:30 PM
domis domis is offline
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Re: Print for magazine, but to hard white and blac

Thanks for the tip, but after the curve adjustment i still have that 'edge', maybe it wont be that prominant on print?

Im sure there are alot of fashion photographers out there that get that strong light as showed on my picture, how do they deal with that 'problem' generally? ignore or fix it with curves/or another way?

I'm still unsure of what to do
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Old 07-13-2009, 06:12 PM
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Re: Print for magazine, but to hard white and blac

Your pic may well be fine but it is very rare that something is absolutely white.
Highlights in the hair will be fine but there is a large area of the arm that will have no dot. If you need to establish the areas that have no colour in them, select the Paint Bucket tool (shift G), set your Foreground to default (D), set tolerance to o, deselect "contiguous" the dump the paint bucket into an area that you know has no colour. This will fill all areas of that value with Black and give you a graphic idea of any parts of your image that could present a problem on a press.
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Old 07-13-2009, 07:15 PM
domis domis is offline
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Re: Print for magazine, but to hard white and blac

great, thanks
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Old 07-14-2009, 05:18 PM
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Re: Print for magazine, but to hard white and blac

Flotsam is right, this will be a problem. Once an area of an image has lost information it's gone for good.

For the blown highlights, I suggest a curves layer to add 3% tone in the white areas. It won't add any detail, but should prevent burn outs.

For the shadows, scroll through your channels or temporarily lighten the dark areas to see if there's any detail. If there is, it may be helpful to open up the shadows to account for dot gain. If not, probably not worth worrying about.

It will be helpful to add some noise to your flattened images, too, to give those flat areas some variation.

Check with the magazine for image prep guidelines as well.

Scott
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Old 07-17-2009, 02:06 PM
domis domis is offline
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Re: Print for magazine, but to hard white and blac

Greatful for the help, tips noted down!
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