Digital BW, The Print

Ditto...and if you want them really black...coat the final prints.

Robert

On 9/10/01 6:02 PM, "Steadman Uhlich" <steadmanuhlich@...> wrote:

> David, 
> First I would like to correct an impression you have that is, in my honest
> opinion, incorrect.  You say you are willing to dedicate your printer to BW
> printing. 
> 
> PiezoBW inks deliver very "black" blacks.  How black do you need?  If you are
> considering devoting a $3,000+ printer to quad tone printing, I suggest you
> get sample prints and a black swatch from each ink seller or "manufacturer"
> and judge for yourself.
> 
> My images usually involve significant black areas on the print (about 30% of
> total image).  Solid black.  I use the PiezoBW inkset and get blacks that look
> like the black of a well used fireplace chimney...carbon black.  Deep solid
> black. Blacker than night.  Black as soot...black as the ace of spades.
> 
> So I believe if you are judging ink alone (and not paper/coating/ink
> combinations) you should not state that "Cones inks do not give a good rich
> black" when in fact they do. Of course you have to know how to use them, the
> right papers, and the right profiles.  That comes with time but is in fact
> also easy using the Conetech profiles supplied with the software.
> 
> Steadman
> 
> 
> ----- Original Message -----
> From: daviddstock@...
> To: DigitalBlackandWhiteThePrint@yahoogroups.com
> Sent: Monday, September 10, 2001 12:52 PM
> Subject: [Digital BW] metamerism confusion
> 
> 
> I've been reviewing all the posts on the various Epson groups
> about metamerism, because I have to make a final decision
> about what inkset to use in my 7000 for printing a portfolio of
> black and white photographs. I have a pretty good sense of what
> the discussion has been, but still have a few questions.
> 
> Like many people, I would absolutely love to be able to print
> black and white images using color inks. If this is impractical
> because of metamerism, I am willing to dedicate my 7000 to
> quadtones, at least for now.
> 
> As I understand it, all the pigmented ink sets have some
> metamerism. Epson's pigs are the worst, Generations is pretty
> bad, and Cone's color piezos have little metamerism in most
> situations. However, Cone's inks do not give a good rich black.
> 
> Questions:
> 
> 1. Is it feasible to use Generations black with Cone's color inkset
> to get better blacks? (I have seen reports of people mixing
> Generations black with MIS quad inks and Cone quad inks,
> which makes me optimistic. On the other hand, I have seen
> reports that adding any Generations black ink causes noticeable
> metamerism to appear.)
> 
> 2. Is there any other way to print grayscale images using
> long-lasting color inks without getting strong metamerism or
> weak blacks?
> 
> 3.  Why is metamerism not a problem with quadtone inksets that
> have pigments in them? (Especially when folks use Generations
> black in the mix...)
> 
> Thanks in advance for any help.
> 
> --David Stock
> 
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----------------------
Robert Morrison
rmorrison@...

310-397-2704

4131 Bledsoe Ave.
Los Angeles, CA 90066