link images: BitsPerPixel?

Hello

My style of work is to place 16-bit raster images in Illustrator and work with typography on them. After I finished I just export the work directly in Illustrator for print. Now I'm starting to get very concerned about the quality of the output of my linked images, since all the files exported from Illustrator (no matter the file type) have 8 bits per pixel. I have 2 questions about it:

1. should I continue to export files from illustrator as files for final printing? Or should I place the vector part (made in Illustrator) for Photoshop and save it for printing here? Or is there anything else I should know about this BitPerPixel conversion?

2. whenever I have put a vector image (8-bit and 16-bit) to illustrator, it shows 24 bit in info-> images related document. Why is this happening?

Thank you very much

Savo correct

Worry about anything. I know of no method cannot start 16-bit printing - cannot even the best inkjets with all their nano and tricks dithering drops. However, this is in itself contains the answer. Ultimately it doesn't matter how deep, for printing what questions how the color is perceptively transformed, which means

(a) how fine / dense the raster is

(b) how pigmented / saturated / opaque each ink or the halftone spot is

(c) the properties of the print substrate transmittance are understood

What is color and profiles they are intended. They can use 16-bit or even float values to improve the mathematical accuracy, but ultimately most of the time a single channel of ink will not even exhausted the number of levels that could be expressed with 8 bits. As for example offset inks have a specific viscosity preventing them from feeling lower points to a specific size or below a certain opacity, the printing plate, and therefore color used to create the profile would have to obey these physical limitations, restricting the range of possible variations. So in the end, all that matters is having a correct color profile and workflow built around itself to be able to control how a high resolution image is transformed into a color space low range. Of course there may be potential to improve your performance by being part of this in Photoshop, but it really depends on the details...

It shows 24 bits in the inf document

3 channels * 8 bits per channel = 24 bit

Mylenium

Tags: Illustrator

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