Digital BW, The Print

Hi Helen,

Thank you for your reply :)

I wish I've known about PFP before I bought my old Xrite 880 
densitometer. I should try first to use this densitometer, get 
results, determine my needs. PFP is a great value device.

Best regard,

J.


--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Helen Bach" 
<helenbach@...> wrote:
>
> Hi,
> 
> I used about thirty sets of readings from a Macbeth TR924. I'll try
> the second formula on them when I get the chance.
> 
> I bought my PFP on eBay. It was $400 including shipping, and it was
> delivered the day after I won it.
> 
> Best,
> Helen
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "joejx8"
> <joejx8@> wrote:
> >
> > 
> > Hi Helen,
> > 
> > Thank you so much for your detailled answer.
> > 
> > I found two formula for converting Y / RGB:
> > 
> > Y=0.299*R + 0.587*G + 0.114*B 
> > Y=0.222*R + 0.707*G + 0.071*B
> > 
> > Seems that the first one match your's. Did you get your formula 
from 
> > few or many (Y,R,G,B) values ?
> > 
> > I have looked à PrintFix pro. Very interesting but still too 
> > expensive for my need (about $500) :)
> > 
> > Thanks again !
> > 
> > J.
>