Photoshop and PDF question

PM
Posted By
Paul_Milner
Apr 25, 2005
Views
276
Replies
4
Status
Closed
Hi
When photoshop converts a PSD to a PDF what does it do to the colour space.I have a rgb psd and need to get it printed however when I convert it to cmyk for the printers it loses some of the qualities of the rgb image. My printers also accept PDF documents and when I convert the image it looks fine, does a pdf retain the rgb or does it use its own colour space.

The printers also accept Illustrator files. What does Al do to the colour space, if I open the rgb document in illustrator, the image also looks good but the printer needs the file in cmyk.
Thanks
Paul M

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B
BobLevine
Apr 25, 2005
The CMYK color space is much smaller than RGB. What you’re seeing is completely normal. Even if you leave it RGB, the printer at some point is going to convert it to CMYK.

Bob
PM
Paul_Milner
Apr 25, 2005
Hi
I have some effects which i have created in rgb but when they are changed to cymk they look terible.I can get over this by flattening the image first,it is then reduced to one layer.Does this affect things like type or colour seperations needed for the print company
Paul M
B
BobLevine
Apr 25, 2005
Yes it does. Flattening the entire image will raster type and vectors.

Why not just merge the image layers?

Bob
G
goodidea1950SPAM-SPAM
Apr 26, 2005
<Bob_Levine> wrote in message
: The CMYK color space is much smaller than RGB. What you’re seeing is : completely normal. Even if you leave it RGB, the printer at some point : is going to convert it to CMYK.
:
: Bob

That would be true if he weren’t getting better quality on another printer. Maybe his printer is a 6/7 color…

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