Digital BW, The Print

Hi Everyone

I would like to purchase a spectrophotometer for making curves with 
my UT2 inks/paper/printer.  I know there is the eye one photo 
spectrophotometer but that is more money than I would like to spend.  
Bill Schwab informed me he uses the XRITE DTP-22 which is definitely 
more within my price range..half the cost of an eye one photo.

Please let me know what all of you (who are making their own MIS 
curves) are using for a spectrophotometer.

Thanks
Ross

Hi Everyone

I would like to purchase a spectrophotometer for making curves with 
my UT2 inks/paper/printer.  I know there is the eye one photo 
spectrophotometer but that is more money than I would like to spend.  
Bill Schwab informed me he uses the XRITE DTP-22 which is definitely 
more within my price range..half the cost of an eye one photo.

Please let me know what all of you (who are making their own MIS 
curves) are using for a spectrophotometer.

Thanks
Ross

> From: borgida [mailto:borgida@...]
>
> I would like to purchase a spectrophotometer for making curves with
> my UT2 inks/paper/printer.  I know there is the eye one photo
> spectrophotometer but that is more money than I would like to spend.
> Bill Schwab informed me he uses the XRITE DTP-22 which is definitely
> more within my price range..half the cost of an eye one photo.
>
> Please let me know what all of you (who are making their own MIS
> curves) are using for a spectrophotometer.

I haven't built any B&W curves, but have done some color profiling with the
EyeOne. You certainly don't need a full spectro to build curves, since
that's a multi-band device for analyzing color spectra. Indeed, a
single-band densitometer would be enough. However, a three-band colorimeter
is probably what you want, since you may someday find the ability to do
basic color measurements useful as well.

The question is: how many patches do you need to read, in order to build
curves? The main thing wrong with the cheap single-reading colorimeters is
that they take a long time to read a color test target, which can have
upwards of 900 patches. But for B&W, You may find a low-end colorimeter like
the ColorMouse from Color Savvy perfectly acceptable. I believe that's what
ColorVision is now selling with their profiling package, rebranded.

--

Ciao,               Paul D. DeRocco
Paul                mailto:pderocco@...

Ross,

the approach many have taken is to find X-Rite 810 densitometers (or similar)
on eBay for a few hundred bucks. You don't need a spectro for bw curves.

If down the line you need to read color info, then you have a choice
between auto-reading instruments that handle the large number
of patches needed in color profiling or single spot reading spectros that
simply analyse one color patch at a time and are cheaper.  The downside
of using the cheaper units is that they may become inaccurate in
the higher densities. They are useful, however, in
assessing the spectral makeup of a grayscale. Not something you'll
need for building curves.

Antonis

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "borgida" <borgida@y...> 
wrote:

> Hi Everyone
> 
> I would like to purchase a spectrophotometer for making curves with 
> my UT2 inks/paper/printer.  I know there is the eye one photo 
> spectrophotometer but that is more money than I would like to spend.  
> Bill Schwab informed me he uses the XRITE DTP-22 which is definitely 
> more within my price range..half the cost of an eye one photo.
> 
> Please let me know what all of you (who are making their own MIS 
> curves) are using for a spectrophotometer.
> 
> Thanks
> Ross

For adjusting variable-tone inkset curves, you need to read the color of the
patches on the test strips to do a good job.  C, M, and Y (as well as visual
density) to 0.01 units accuracy is what the X-Rite Digital Swatchbook does,
and its fine. 

Paul
www.PaulRoark.com

> Bill Schwab informed me he uses the XRITE DTP-22 which is definitely 
> more within my price range..half the cost of an eye one photo.
> Ross

Ross,

Did Bill Schwab go into any detail on how he uses the DTP-22 to make curves?

Does he use the unit as a stand-alone or hooked up to a computer w/software?

I was given a DTP-32 and was wondering if it could be used the making QTR profiles?

Thanks,

John V.

Hi John
 
Not sure..I am just learning the background info on making curves.  Send Bill an email and he will be more than willing to help you out.
 
Thanks
Ross


John Vitollo <jvlist@...> wrote:
> Bill Schwab informed me he uses the XRITE DTP-22 which is definitely 
> more within my price range..half the cost of an eye one photo.
> Ross

Ross,

Did Bill Schwab go into any detail on how he uses the DTP-22 to make curves?

Does he use the unit as a stand-alone or hooked up to a computer w/software?

I was given a DTP-32 and was wondering if it could be used the making QTR profiles?

Thanks,

John V.



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