Digital BW, The Print

Thanks Paul, that's very clear. Good to know I wasn't seeing 
things....so long from Geneva.

Dave

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Paul Roark" 
<paul.roark@v...> wrote:
> Dave,
> 
> I use the aerosol sprays to seal and reduce reflective artifacts on 
glossy
> papers.  On matte papers I use the sprays when I want to give some 
physical
> protection to the prints, but with no visible changes.  The sprays 
will not
> raise the dmax on matte paper.
> 
> The Hydrocote is the best way I found to raise the dmax on matte 
papers and
> seal them against water.
> 
> Paul
> www.PaulRoark.com 
> 
> For UT2 information, curves, and settings see:
> http://home1.gte.net/res09aij/
> 
> _____________________________
> 
> -----Original Message-----
> From: dave_in_gva2001 [mailto:meddings@f...] 
> Sent: Sunday, February 29, 2004 6:25 AM
> To: DigitalBlackandWhiteThePrint@yahoogroups.com
> Subject: [Digital BW] Lyson Print Guard....did I miss something?
> 
> I have Hydrocote and a Meyer rod and have seen the effect this has 
on 
> my UT-1 prints on PhotoRag. An obvious difference is the increase 
in 
> contrast and (even though I can't measure it via densitometer) the 
> increase in Dmax.
> 
> More recently I read with interest the threads on spray coatings 
and 
> ended up buying a can of Lyson Print Guard, which is supposed to be 
> identical to Clearshield. I expected this to have a similar effect 
in 
> terms of increasing contrast and Dmax, but was surprised to see 
that 
> 3 coats sprayed onto a print seems to yield no visible difference 
at 
> all with an unsprayed print.
> 
> Did I miss something? Is the rationale for using the spray coatings 
> UV protection and print longevity only, or is it also for 
increasing 
> Dmax?
> 
> Best,
> 
> Dave
> 
> 
> 
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