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: > > I swear I must just have different ink or something. My Gray Value for > 45/45 was 40 when I think yours is down at 20. I am really beginning > to > wonder if MIS have any QC or perhaps we are just doing something > completely > differently. I print the calib page with the ink limits set and then > measure the 100 patch on the combo and find the interpolated "% black". > > >> From: Carl Schofield <scho@...> >> Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com> >> Date: Mon, 21 Feb 2005 15:47:53 -0500 >> To: <DigitalBlackandWhiteThePrint@yahoogroups.com> >> Subject: Re: [Digital BW] QTR neutral curve PKN, UT7 Light warm/cool >> grey >> >> >> Steve, >> >> I printed your calib page with the profile I posted (on both Ilford >> Smooth Pearl and Kirkland Glossy) and here are the comparable data to >> what you just posted: >> >> Kirkland Glossy: >> LM/LC at 45/45 LK 10 (glop) >> 50% patch L 61.0, a 0.7, b -2.0 >> 100% patch L 43.3, a 1.3, b -1.9 >> >> Ilford Smooth Pearl: >> LM/LC at 45/45 LK 10 (glop) >> 50% patch L 61.9, a 0.9, b -1.9 >> 100% patch L 44.3, a 1.4, b -2.0 >> >> >> Quite different from your results - are you using the UT7 LM and LC >> gray ink? Note that I did not edit the LK curve in the cal .quad file >> so glop (LK) was applied in the combo print (LK/LM/LC). >> >> Carl >> >> On Feb 21, 2005, at 1:32 PM, Steve Kale wrote: >> >>> >>> Ilford Smooth Pearl. I haven't linearized yet. I was simply looking >>> at the >>> calib page which shows the LC/LM/LK/Y inks combined as a single >>> "ink". >>> With >>> 45/45 the combined ink 100 patch reads 39.8 2.1 1.2 (50 was 60.2 1.1 >>> 0.9). >>> A 40 warm/50 cool combo gives 41.1 1.9 -0.1 at 100 and 61.0 0.8 -0.1 >>> at 50. >>> In the end I ran 36/56 without reprinting the calib. Once I have >>> done >>> the >>> glop overcoat and linearized I will post the finals. >>> >>> Steve >>> >>> >>>> From: Carl Schofield <scho@...> >>>> Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com> >>>> Date: Mon, 21 Feb 2005 13:05:44 -0500 >>>> To: <DigitalBlackandWhiteThePrint@yahoogroups.com> >>>> Subject: Re: [Digital BW] QTR neutral curve PKN, UT7 Light >>>> warm/cool >>>> grey >>>> >>>> >>>> Which paper Steve? I'm using that profile with both Kirkland glossy >>>> and ilford smooth pearl and get neutral prints on both with UT7 LC >>>> and >>>> UT7 LM at 45 each - no warm highlights. Here are some LAB data for >>>> the >>>> Kirkland: >>>> >>>> 25% 68.70 0.36 -2.55 >>>> 50% 44.83 1.04 -2.18 >>>> >>>> Carl >>>> >>> >>> >>> >>> >>> >>> >>> Please visit the Group Homepage to check the Files, and other >>> resources as they are often being updated. >>> >>> http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint >>> >>> If you wish to receive no emails or just a daily digest, or you wish >>> to unsubscribe, please edit your Membership preferences by visiting >>> this same page. >>> >>> Please follow these basic guidelines: >>> - As threads develop, trim off excess portions of earlier messages to >>> keep them short. >>> - Good manners are required at all time. No personal attacks or >>> flames. Hostile, aggressive or argumentative users may be removed >>> from >>> the membership without notice. >>> - Keep your posts and threads related to the group topic of digital >>> B&W printing. 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Users who persistently make off-topic posts may be removed >> from the >> membership. >> - By posting on this forum you agree to abide by the group rules and >> guidelines, and to abide by the actions and decisions of the group >> Owner and >> Moderators. See ╲Group Topic, Rules and Guidelines╡ in the Files >> section: >> http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint/files/ >> >> BY PARTICIPATING IN AND/OR POSTING MESSAGES TO THE DIGITAL BW, THE >> PRINT >> YAHOO! GROUP YOU EXPRESSLY UNDERSTAND AND AGREE THAT THE ╲OWNER╡ >> AND >> ╲MODERATORS╡ OF DIGITAL BW, THE PRINT YAHOO GROUP SHALL NOT BE >> LIABLE TO YOU >> FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL OR >> EXEMPLARY >> DAMAGES, INCLUDING BUT NOT LIMITED TO, DAMAGES FOR LOSS OF PROFITS, >> GOODWILL, >> USE, DATA OR OTHER INTANGIBLE LOSSES (EVEN IF THE ╲OWNER╡ AND >> ╲MODERATORS╡ OF >> DIGITAL BW, THE PRINT YAHOO GROUP HAVE BEEN ADVISED OF THE >> POSSIBILITY OF SUCH >> DAMAGES), RESULTING FROM: (i) THE USE OR THE INABILITY TO USE THE >> DIGITAL BW, >> THE PRINT YAHOO GROUP; (ii) UNAUTHORIZED ACCESS TO OR ALTERATION OF >> YOUR >> TRANSMISSIONS OR DATA; (iii) STATEMENTS OR CONDUCT OF ANY THIRD PARTY >> ON THE >> DIGITAL BW, THE PRINT YAHOO GROUP; OR (iv) ANY OTHER MATTER RELATING >> TO THE >> DIGITAL BW, THE PRINT YAHOO GROUP. >> >> Yahoo! Groups Links >> >> >> >> >> >> >> > > > > > > Please visit the Group Homepage to check the Files, and other > resources as they are often being updated. > > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint > > If you wish to receive no emails or just a daily digest, or you wish > to unsubscribe, please edit your Membership preferences by visiting > this same page. > > Please follow these basic guidelines: > - As threads develop, trim off excess portions of earlier messages to > keep them short. > - Good manners are required at all time. No personal attacks or > flames. Hostile, aggressive or argumentative users may be removed from > the membership without notice. > - Keep your posts and threads related to the group topic of digital > B&W printing. Users who persistently make off-topic posts may be > removed from the membership. > - By posting on this forum you agree to abide by the group rules and > guidelines, and to abide by the actions and decisions of the group > Owner and Moderators. See „Group Topic, Rules and Guidelines‰ in the > Files section: > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint/files/ > > BY PARTICIPATING IN AND/OR POSTING MESSAGES TO THE DIGITAL BW, THE > PRINT YAHOO! GROUP YOU EXPRESSLY UNDERSTAND AND AGREE THAT THE „OWNER‰ > AND „MODERATORS‰ OF DIGITAL BW, THE PRINT YAHOO GROUP SHALL NOT BE > LIABLE TO YOU FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, > CONSEQUENTIAL OR EXEMPLARY DAMAGES, INCLUDING BUT NOT LIMITED TO, > DAMAGES FOR LOSS OF PROFITS, GOODWILL, USE, DATA OR OTHER INTANGIBLE > LOSSES (EVEN IF THE „OWNER‰ AND „MODERATORS‰ OF DIGITAL BW, THE PRINT > YAHOO GROUP HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES), > RESULTING FROM: (i) THE USE OR THE INABILITY TO USE THE DIGITAL BW, > THE PRINT YAHOO GROUP; (ii) UNAUTHORIZED ACCESS TO OR ALTERATION OF > YOUR TRANSMISSIONS OR DATA; (iii) STATEMENTS OR CONDUCT OF ANY THIRD > PARTY ON THE DIGITAL BW, THE PRINT YAHOO GROUP; OR (iv) ANY OTHER > MATTER RELATING TO THE DIGITAL BW, THE PRINT YAHOO GROUP. > > Yahoo! Groups Links > > > > > > >
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Re: [Digital BW] QTR neutral curve PKN, UT7 Light warm/cool grey
2005-02-21 by Carl Schofield
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