Digital BW, The Print

Or a simple spreadsheet to do the calc.  The formula is not difficult.  Let
me know if you need it.


> From: Louis Dina <lbdina@...>
> Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Date: Wed, 28 Dec 2005 19:34:16 -0000
> To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Subject: [Digital BW] Re: LAB luminance as black evaluator?  Density values?
> 
> Jack,
> 
> You can use the campanding calculator on Bruce Lindbloom's site.
> http://www.brucelindbloom.com/
> 
> If you spectro works with QuickRead, that will read out both in Lab and
> density values.  It used to be a free download at www.icctools.com, but
> the link doesn't seem to be working anymore.  I'm not sure if it is
> still available or not.
> 
> I'm sure there are other utilities that provide both Lab and density
> values, but at least the Companding Calculator will work, even though
> it isn't as convenient as QuickRead.
> 
> Lou
> 
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, Jack Winberg
> <jack.winberg@v...> wrote:
>> 
>> The ColorVision spectrocolorimeter I am beta testing reads out in LAB
>> values.  I would like to utilize this to evaluate the degree of
>> blackness of prints.  "L" valueThe scale is 0 to 100, 0 being black,
>> and 100 being white.
>> 
>> Can anyone come up with a conversion to the density values I see
>> bandied about in this list?
>> 
>> Thanks very much......................... Jack Winberg
>> 
>> 
>