Article View: alt.photography
Article #653Re: Interview with Henry Wilhelm on print permanence
From: Kennedy McEwen
Date: Sat, 05 May 2007 13:23
Date: Sat, 05 May 2007 13:23
33 lines
3495 bytes
3495 bytes
In article <0fednUrBRMH9WqbbnZ2dnUVZ_v6tnZ2d@giganews.com>, DBLEXPOSURE <celstuff@hotmail.com> writes > > >I have not read the Wilhelm article but I will say this. Permanence testing >is done using the known processes that affect the majority if not all >artwork. The results of this sort of testing are not to be taken literally >but used as bench marks to compare different ink/paper combinations and >printing processes. > > > >If testing results state the a certain ink/paper combination or process have >a life of 150 years, I do not think you are to assume that the print will >last 150 years; only time can prove that. The results should be used to >weigh one product or process against another. Except it doesn't turn out that way in practice. In 1999, several manufacturers offered printers with inks and papers which could be reliably expected to last several months without noticeable fading. Then Epson released their long life printers and, on the basis of Wilhelm's measurements and comparisons with existing inkjet media at the time, claimed a 26 year life when the inks were used with their most expensive paper. Even though that 26 years only applied to a specific set of conditions, your argument suggests the Epson media should have been superior to earlier product - instead, it was MUCH worse! The Wilhelm test means jack sh!t UNLESS you use his EXACT display methods, which are not generic. -- Kennedy Yes, Socrates himself is particularly missed; A lovely little thinker, but a bugger when he's pissed. Python Philosophers (replace 'nospam' with 'kennedym' when replying)
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X-Google-Thread: 10d10e,b1d602ba0299f45f X-Google-Thread: 109d17,b1d602ba0299f45f X-Google-Thread: 102786,b1d602ba0299f45f X-Google-Thread: 1f69d1,b1d602ba0299f45f X-Google-Thread: 1f69cf,b1d602ba0299f45f X-Google-Thread: 10e52e,b1d602ba0299f45f X-Google-Attributes: gid10d10e,gid109d17,gid102786,gid1f69d1,gid1f69cf,gid10e52e,public X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news1.google.com!news2.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!newsfeed00.sul.t-online.de!t-online.de!tiscali!newsfeed1.ip.tiscali.net!news.tele.dk!news.tele.dk!small.news.tele.dk!lnewsinpeer00.lnd.ops.eu.uu.net!emea.uu.net!peer-uk.news.demon.net!kibo.news.demon.net!mutlu.news.demon.net!news.demon.co.uk!demon!nospam.demon.co.uk!rkm From: Kennedy McEwen <rkm@nospam.demon.co.uk> Newsgroups: alt.photography,aus.photo,rec.photo.digital,rec.photo.digital.slr-systems,rec.photo.digital.zlr,rec.photo.technique.art Subject: Re: Interview with Henry Wilhelm on print permanence Date: Sat, 5 May 2007 14:23:06 +0100 Organization: A simple twist of fate Lines: 33 Message-ID: <NlGdQwF6UIPGFwZp@kennedym.demon.co.uk> References: <463b32eb$0$27780$afc38c87@news.optusnet.com.au> <463b66c0$0$14074$742ec2ed@news.sonic.net> <f1g3r2$5eu$01$1@news.t-online.com> <pJ6dnZJkkbEcPKbbnZ2dnUVZ_rXinZ2d@comcast.com> <463bbc07$0$17253$5a62ac22@per-qv1-newsreader-01.iinet.net.au> <0fednUrBRMH9WqbbnZ2dnUVZ_v6tnZ2d@giganews.com> Reply-To: Kennedy McEwen <rkm@kennedym.demon.co.uk> NNTP-Posting-Host: kennedym.demon.co.uk Mime-Version: 1.0 Content-Type: text/plain;charset=us-ascii;format=flowed X-Trace: news.demon.co.uk 1178372022 26190 80.177.16.197 (5 May 2007 13:33:42 GMT) X-Complaints-To: abuse@demon.net NNTP-Posting-Date: Sat, 5 May 2007 13:33:42 +0000 (UTC) User-Agent: Turnpike/6.06-U (<fnnnp+ez2s+1+EC5H3NgXy5MUG>)