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Digital BW, The Print

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Re: [Digital BW] QTR neutral curve PKN, UT7 Light warm/cool grey

2005-02-21 by Carl Schofield

I'm baffled.  Your cool partition value is close to mine (20.4), but 
the warm, sepia, and neutral are all quite a bit higher.

On Feb 21, 2005, at 5:38 PM, Steve Kale wrote:

>
> Well according to the labels on the bottles I have the right inks but 
> yes I
> really wonder if I got a wrong batch.  Here the partition values I 
> have:
>
> Warm 44
> Sepia 40
> Neutral 34
> Cool 24
>
> One (big) qualification:  I am using UT2 LM medium grey as my "light 
> warm
> grey" in the LC slot.  My understanding is that this is the same as 
> UT7 LC
> ink.  I am also using UT2 sepia toner which I understand to be the 
> same as
> UT7 sepia toner.
>
> On this basis my inks set up should be the same as yours but with the 
> inks
> in a different order:
>
> K is PKN
> LK is glop
> C is MIS PK
> LC is UT2/7 light warm grey
> M is Eboni
> LM is UT2/7 light cool grey
> Y is UT2/7 sepia toner
>
> Looking at an old calib page from the UT2/FSN days I can clearly see 
> that
> the light warm ink I am using is lighter than the "dark warm grey".  I 
> have
> not opened the bottle of UT7 M.
>
>
>> From: Carl Schofield <scho@...>
>> Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
>> Date: Mon, 21 Feb 2005 17:14:15 -0500
>> To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
>> Subject: Re: [Digital BW]  QTR neutral curve PKN, UT7 Light warm/cool 
>> grey
>>
>>
>> Steve,
>>
>> The GRAY_VAL I used for ink 2 (LK-glop) in the neutral profile was
>> measured using the LC gray (I didn't have the combo cal file then). I
>> just re-measured using the combo (LC+LM+LK 45/45/10) and also got
>> around 20 for a partition value, comparing the 100% combo L to the
>> values in the C (PKN) strip.  If you are getting partition values up 
>> in
>> the 40's I wonder if you are using the dark UT7 gray inks instead of
>> the light grays.
>>
>> Carl
>>
>> On Feb 21, 2005, at 4:03 PM, Steve Kale wrote:
>>

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