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Re: [Digital BW] Bronzing

Re: [Digital BW] Bronzing

2004-10-25 by Bob Frost

John,

It's almost disappeared with the HighGloss Ultrachromes (including Gloss 
Optimizer) of the R800.

Bob Frost.
Show quoted textHide quoted text
----- Original Message ----- 
From: "john dean" <deanwork2003@...>
To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
Sent: Monday, October 25, 2004 12:14 AM
Subject: [Digital BW] Bronzing




Bronzing, or gloss differential as some call it, it an issue with Premium 
Glossy and similar
glossy media with the original Epson color pigment inkset and most likely 
Ultra-Chrome
color also. This is why I don't use glossy papers for color work at all 
either.

Re: [Digital BW] Bronzing

2005-03-08 by GJ Kunze

Isn't the Kodak Professional Lustre a little better with the bronzing issue? Kodak claims a lifetime longevity, while Ilford claims 10 years.
George
- Original Message -----
Show quoted textHide quoted text
  From: Paul Roark<mailto:paul.roark@...> 
  To: DigitalBlackandWhiteThePrint@yahoogroups.com<mailto:DigitalBlackandWhiteThePrint@yahoogroups.com> 
  Sent: Monday, March 07, 2005 8:36 PM
  Subject: RE: [Digital BW] Bronzing


  The Ilford Classic is for dyes.  It will probably not dry.  The Smooth is
  what we need for pigments.

  For less bronzing, try Epson Premium Semimatte, or Costco Kirkland Signature
  Pre Glossy for 8x10.  Epson Glossy Photo paper is the only one that has
  virtually no reflective artifacts without either a spray or glop.  However,
  it's only letter size, a bit flimsy, and doesn't have the best dmax.

  PremierArt Print Shield spray will get rid of bronzing.  Glop will get rid
  of it on the best papers and reduce it on many others.

  Paul
  www.PaulRoark.com 

  __________________________

  -----Original Message-----
  From: photoian@... [mailto:photoian@...] 
  Sent: Monday, March 07, 2005 4:38 PM
  To: Group
  Subject: [Digital BW] Bronzing


  Is there a difference between Ilford Smooth Pearl and Ilford Classic Pearl?
  I just printed a B&W image on ICP using QTR on an Epson 4000 and it looks
  great to me. I don't know that I've ever seen anything that I would call
  "bronzing" with any of the papers and printers I've used. I've certainly
  seen metamerism from my 1280 but I wouldn't call that bronzing.

  Ian




  Message: 18        
     Date: Mon, 07 Mar 2005 09:48:17 -0000
     From: "lindstromdick" <d_pics@...>
  Subject: B&W on Ilford Smooth Pearl



  I have tried to print black/white using the Quad Tone rip with my 
  Epson 4000 and Ilford Smooth pearl paper. The B&W was beautiful, but 
  the bronzing was severe. Any hints on how to imrove the result?



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[Non-text portions of this message have been removed]

Re: [Digital BW] Bronzing

2005-03-09 by Bob Frost

George,

I seem to remember reading that Kodak only uses 1/4 of the light in its fade 
tests (compared with Wilhelm tests), so if that is so, it is not surprising 
that Kodak prints last far longer!!

Bob Frost


----- Original Message ----- 
From: "GJ Kunze" <Colaidian@...>



Isn't the Kodak Professional Lustre a little better with the bronzing issue? 
Kodak claims a lifetime longevity, while Ilford claims 10 years.

Re: [Digital BW] Bronzing

2005-03-09 by Ernst Dinkla

Bob Frost wrote:

>George,
>
>I seem to remember reading that Kodak only uses 1/4 of the light in its fade 
>tests (compared with Wilhelm tests), so if that is so, it is not surprising 
>that Kodak prints last far longer!!
>
>Bob Frost
>
>  
>
Wilhelm thinks you should divide the Kodak claims by 15 to get near the 
ANSI/ISO tests that Wilhelm uses. That's for the ink + paper combination 
so may not be fully applicable on the same paper with another inkset. 
Read the Epson R800-R1800 test PDF on www.wilhelm-research.com

What's a lifetime divided by 15 ?

Ernst

RE: [Digital BW] Bronzing

2005-03-09 by Seth

Personally, I think they're all full of crap!!

This may be out of date by now, but download it for a good background:
http://www.rit.edu/~661www1/sub_pages/consumerguide.pdf

At least RIT doesn't allow the test result used as part of commercial
advertising, so they seem more credible to me.

Seth

==-----Original Message-----
==From: Bob Frost [mailto:bob@...] 

==
==I seem to remember reading that Kodak only uses 1/4 of the 
==light in its fade tests (compared with Wilhelm tests), so if 
==that is so, it is not surprising that Kodak prints last far longer!!
==
==----- Original Message -----
==From: "GJ Kunze" <Colaidian@...>
==
==
==
==Isn't the Kodak Professional Lustre a little better with the 
==bronzing issue? 
==Kodak claims a lifetime longevity, while Ilford claims 10 years.
==

RE: [Digital BW] Bronzing

2005-03-09 by Seth

Heck, they moved around.

Here is where there are a lot of pamphlets to DL:
 http://www.imagepermanenceinstitute.org/sub_pages/8contents.htm

Seth

Re: [Digital BW] Bronzing

2005-03-09 by Bob Frost

>What's a lifetime divided by 15 ?

5-6 yrs in the UK!


----- Original Message ----- 
From: "Ernst Dinkla" <E.Dinkla@...>

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.