Digital BW, The Print

HI KEITH-

MY COMMENTS IN CAPS BELOW:

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Editor P.O.V. 
Image Service" <editor@p...> wrote:
> OK, I'll buy Mark's numbers on inks costs.. Hell we've known that 
dirty 
> little OEM secret for years...
> 
IT'S WORSE THAN GILETTE
> OTOH:  He's nuts in calling film and traditional 
prints "digital"... 
> Sure, the individual Silver Salt grains are exposed individually, 
BUT, 
> and this is a big BUT, they lay over each other and in depth, not 
just 
> in a uniform 2 dimensional pattern.  An emulsion is a 3 dimensional 
> colloidal suspension of Ag grains in some type of gelatine or 
> gelatine-like layer.. The random overlays and depth of the emulsion 
> clearly create an analog value set, not a digital one..
> 

HMMMM...SOUNDS LIKE PHOTOSHOP LAYERS?

> His facts on "DuraBright" inks (he misspelled the name, not I) are 
> completely wrong as well.. Along with the info on which OEM inks 
the 
> 1270 uses. As for his commentary on the resin encapsulated EPSON 
> pigments, GEEZ!  Part of the problem with them on microporous 
papers or 
> on the vast majority of RC type papers is that the epoxy resin 
capsule 
> will NOT bond to the receiver and rolls off like a miniature ball 
> bearing... In no way do those resin capsules break open on 
impact... 
> What would be the point (unless the ink inside the capsule is a 
dye)? 
>  Why encapsulate, cause potential metamerism, and other issues, 
only to 
> have it disgorge raw pigment particles  onto the paper?  Just put 
the 
> pigments in suspension instead...  If his model were true, you'd 
face 
> the silliness of creating larger pigment particles, and creating 
higher 
> clog potential just to place much smaller pigment particles on the 
> receiver? It's sheer nonsense..
> 
IN FAIRNESS TO HIM, I BET HE GOT THIS FROM EPSON

> On behalf of Berkeley alumni everywhere, I want to apologize for 
Mark 
> having a Physics degree and still getting the physical chemistry of 
inks 
> so messed up..  ;-)  He may be a great artist. A chemical engineer 
or 
> physical chemist he ain't.

WELL...I GUESS HE WON'T WANT TO BE THE GUEST SPEAKER AT OUR BAY AREA 
BW PRINTERS MEETING <G> OR MAYBE HE WILL....


> Keith
> 
>  
> 
> "Just some guy," and caretaker of the Multiverse's largest EPSON 
printer 
> User Community (highly recommended by Vogon Poets and MegaDodo 
> Publications), at:
> 
> http://groups.yahoo.com/group/EPSON_Printers/
>  
> "For the rest of you out there, the secret is to bang the rocks 
together 
> guys"
> 
>  
> 
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