Re: Black and White Profiles
Re: Black and White Profiles
- Subject: Re: Black and White Profiles
- From: "edmund ronald" <email@hidden>
- Date: Tue, 5 Dec 2006 20:41:44 +0100
Here is a review with more details of QTR Create ICC.
Anyone know how to do the same thing with Photoshop Transfer curves ?
I.e . which measureemnts to type in the boxen ?
Edmund
On 12/4/06, Steve Kale <email@hidden> wrote:
These are very different questions. The hue of the print is controlled by
the RIP or other driver. QTR Create ICC just manages the luminance axis.
It is colour blind. We use different tools for controlling or managing away
from neutrality. Adv B&W has a tint picker. Quadtone RIP manages each
individual ink slot separately - any ink set can be used in any way you
want. As for dMax, this is still driven by the RIP/driver setup. With the
Epson Adv B&W driver there isn't any ability to manage ink limits. If you
use QTR you can drive whatever ink limit you want from whichever ink. QTR
Create ICC then profiles the result for luminance management.
> From: Marco Ugolini <email@hidden>
> Date: Sun, 03 Dec 2006 15:44:37 -0800
> To: Keith Cooper <email@hidden>
> Cc: ColorSync Users Mailing List <email@hidden>
> Subject: Re: Black and White Profiles
>
> In a message dated 12/3/06 1:53 PM, Keith Cooper wrote:
>
>> Hi
>>
>> I tested the B/W icc profiling aspect of QTR with several printers and found
>> that it really can help linearise B/W output. Using the profiles often made
>> the difference between producing an acceptable version of my B/W test print
>> or not
>> <http://www.northlight-images.co.uk/article_pages/black_and_white_test.html>
>>
>> I tried it out using both an Eye One and the PrintFIX PRO
>> <http://www.northlight-images.co.uk/article_pages/printfix_pro_for_bw.html>
>>
>> In fact, the new version of the PrintFIX PRO software due out shortly has
>> features aimed at making the process even easier.
>
>
> Hi Keith.
>
> What about the issue of color constancy/tone stability? Meaning, the loss of
> neutrality -- and the appearance of a color cast -- under certain
> illuminants?
>
> In other words, are these B&W prints as neutral under different light
> conditions as, say, those made with ImagePrint?
>
> And how deep are the blacks?
>
> Regards.
>
> --------------
> Marco Ugolini
> Mill Valley, CA
>
>
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