Thanks for all your fantastic comments.. very informative. Great stuff.
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Then there are the issues of image mode (RGB, CMYK), color space, ICC profiles, a properly calibrated monitor, etc. that all go into making an exceptional print, and one that looks like it did on your monitor at home before you uploaded to A&I for printing, but that is a whole 'nother kettle of fish.
Thanks again, LensWork, for your well-informed and helpful posts!
Let me just make a quick mention to others here, that the service bureau that hosts the Durst Lambda Type-C printer I'm planning to use recommends file prep in sRGB. However, certain other output devices may fare slightly better with "Adobe RGB 1998." Your service bureau of choice may also offer a downloadable ICC profile, customized for their equipment. When preparing files for pre-press (e.g., for offset printing, which uses "process," or "separated color"), including the Indigo digital offset press, you're typically working in CMYK. Of course, always check with your service bureau or color lab for your specific requirements.
It all depends on how you want to print it. Normally most places prefer sRGB files unless you are printing your photos in a book or magazine etc. Then you're going to want to use a "higher" color space. But if you are doing that then the printer is going to prefer they take care of the color conversions and ICC profiles so just let them do it. But that's a whole other topic for discussion that's in another thread.
When preparing files for pre-press (e.g., for offset printing, which uses "process," or "separated color"), including the Indigo digital offset press, you're typically working in CMYK. Of course, always check with your service bureau or color lab for your specific requirements.
I mistakenly said that the Indigo digital offset press requires CMYK files. I was just at the service bureau, and they said to create your files in sRGB for the Indigo, even though it is a true four-color process. They said the RIP engine in the Indigo just does a better job of the RGB-CMYK conversion. Also, this bureau provides their own ICC profiles so you can "soft proof" on your computer at home.
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