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Re: CMYK or RGB device
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Re: CMYK or RGB device


  • Subject: Re: CMYK or RGB device
  • From: "jc castronovo" <email@hidden>
  • Date: Thu, 1 Jul 2004 23:17:41 -0400

----- Original Message -----
From: "Roger Breton"
---snip---
> pixels having a specific RGB value to begin with are imaged with a certain
> intensity or Red light (laser), Green light and Blue light. For me that's
> quite a sufficient criteria for qualifying as an RGB device.


But of course, the image is still made with CMY dyes - not RGB.

The Lightjet (or LVT, Lambda, Chromira, Frontier, DLab, Fujix, etc.) is just
a machine used to expose photographic media in place of an enlarger. These
devices all expose photo media with colored RGB (additive) light, but the
resulting processed image is still CMY (subtractive) regardless of how it's
exposed. It's CMY and not CMYK because there's no black "plate".

Now a monitor is a true RGB device, as is a video projector. They're fed RGB
data and they produce their images with RGB light.

john c.
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  • Follow-Ups:
    • Re: CMYK or RGB device
      • From: Roger Breton <email@hidden>
    • Re: CMYK or RGB device
      • From: Robin Myers <email@hidden>
References: 
 >Re: CMYK or RGB device (From: Roger Breton <email@hidden>)

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