Re: Black and White Profiles
Re: Black and White Profiles
- Subject: Re: Black and White Profiles
- From: Steve Kale <email@hidden>
- Date: Tue, 05 Dec 2006 22:20:45 +0000
- Thread-topic: Black and White Profiles
BTW you don't need to use a spectro with QTR Create ICC. You can make
measurements with a simple densitometer, drop them into a text file and
still get the luminance management to the printer. You won't of course get
the colour soft proofing. The best resource for these and other B&W
printing questions is undoubtedly:
http://tech.groups.yahoo.com/group/DigitalBlackandWhiteThePrint/
> From: edmund ronald <email@hidden>
> Date: Tue, 5 Dec 2006 20:41:44 +0100
> To: Steve Kale <email@hidden>
> Cc: Marco Ugolini <email@hidden>, Keith Cooper
> <email@hidden>, ColorSync Users Mailing List
> <email@hidden>
> Subject: Re: Black and White Profiles
>
> 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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>>
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