Digital BW, The Print

Paul,

Here are some Lab data for the k7 black (100% patch):

HPR (BW):  L 17.26    a 0.70    b 1.36

Carl


On Oct 7, 2005, at 11:26 AM, Paul Roark wrote:

>> The k7 black does not have an outstanding dmax, ...
>> Some values I've measured with the 4000 are:   Hahnemuhle Photo
>> Rag Bright White 1.63, Hahnemuhle White Velvet 1.61, and
>> Hahnemuhle Photo Rag 1.63 ...
>>
>
> Aside from the low dmax, what is the tone of the black -- that is,  
> the full
> RGB and Lab readings?
>
> If the dmax on PhotoRag is that low, I wonder what UltraSmooth/ 
> PremierArt
> looks like?
>
> Where the black affects the rest of the image most is from 90% to  
> 100%.  The
> cross-over from neutral (or cool) to warm in that range has been a  
> tough
> problem to deal with and still have a good dmax.  Luckily, the eye  
> is not
> that sensitive to small tone changes in the deep shadows.
>
> My attempts to cool matte blacks with cyan have resulted in what I  
> consider
> substandard dmax figures.  Actually, one attraction of the k3  
> approach to me
> is that with a rip I can pour in cyan in the deep shadows and do  
> the best
> job yet of reducing the cross-over.
>
> Paul
> www.PaulRoark.com
>
>
>
>
>
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