Dye vs Pigment
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From: Patrick on 20 May 2005 05:08 Found this on the www.marrut.com site. Thought it might be of interest. What I find interesting about it is the fact that this is a company that is for the serious photograper and supplies only Lyson ink which is nearly (but not all) pigment based. http://www.marrutt.com/digital-ink-myths-2.php#f -- Patrick
From: Frederick on 20 May 2005 09:07 Patrick wrote: > Found this on the www.marrut.com site. Thought it might be of interest. > > What I find interesting about it is the fact that this is a company that is > for the serious photograper and supplies only Lyson ink which is nearly (but > not all) pigment based. > > http://www.marrutt.com/digital-ink-myths-2.php#f > > -- > Patrick > > When you read it, bear in mind these facts: Epson make pigment and dye inkjet printers. They clearly differentiate which is for general purpose/office, and "serious photographic" use. The current pigment/ink debate is not based on "colour quality". Vibrancy vs tonal range perhaps, but Lyson's argument specifically implies that vibrancy = quality. The current newest technology (and best?) pigment inks (for the R800/1800) are conspicuously absent from Lyson's range. Making dye ink is easy. Making pigment ink is not easy. The primary objective of a company is to make a profit.
From: Arthur Entlich on 21 May 2005 10:23 I don't know what Mr. Lyson was partaking of when he wrote that article but here's something from Creo's website (they are the world's largest pre-press supplier and sell Iris products) "How light-fast are Iris inks? Iris prints can last unprotected six months or longer, depending on surrounding environmental factors. Direct sunlight, room lighting and humidity are all factors that affect image permanence." Lyson's history has numerous fits and starts with ink sets and withdrawn inks. Some of their inks are not compatible with OEM inks and require the old inks to be fully flushed out of they will cause major head clogs. Many people like their ink sets, but they are competing with OEM and other ink sources, and there are, IMHO, a number of misleading, if not self-serving comments made in that article. Art Patrick wrote: > Found this on the www.marrut.com site. Thought it might be of interest. > > What I find interesting about it is the fact that this is a company that is > for the serious photograper and supplies only Lyson ink which is nearly (but > not all) pigment based. > > http://www.marrutt.com/digital-ink-myths-2.php#f > > -- > Patrick > >
From: Patrick on 23 May 2005 05:35 "Arthur Entlich" <e-printerhelp(a)mvps.org> wrote in message news:NvHje.1427208$8l.1207443(a)pd7tw1no... > I don't know what Mr. Lyson was partaking of when he wrote that article > but here's something from Creo's website (they are the world's largest > pre-press supplier and sell Iris products) > > "How light-fast are Iris inks? > Iris prints can last unprotected six months or longer, depending on > surrounding environmental factors. Direct sunlight, room lighting and > humidity are all factors that affect image permanence." I suppose its like anything else - it depends where you look for information. The link below states upto 36 years before noticable fade. These figures seem to have been supplied by Wilhelm Imaging Research. Perhaps they have flawed testing methods? http://www.aquarelle.ca/dietrich/giclee.html > Lyson's history has numerous fits and starts with ink sets and withdrawn > inks. Some of their inks are not compatible with OEM inks and require > the old inks to be fully flushed out of they will cause major head clogs. Lyson dye based ink does seem to fair well in tests; http://www.wilhelm-research.com/pdf/additional_wir/WIR_Permanence_06_2000.pd f -- Patrick
From: Arthur Entlich on 23 May 2005 13:25
No, it seems to depend on what ink set and what paper is used: IRIS PRINTERS Using Iris Graphics Equipoise Ink Set: Arches Cold Press 32-36 years Somerset Velvet Paper 20-24 years Iris Canvas 16-18 years Arches for Iris paper 13-15 years Liege Inkjet Fine Art Paper 2-3 years Using Iris Graphics Industrial Design (ID) Ink Set Arches Cold Press Paper 2-3 years (tentative) Using Iris Equipoise Black Ink (Only) in Monochrome Prints Arches Cold Press Paper (tests continuing) >80 years Somerset Velvet Paper (tests continuing) >80 years Arches for Iris Prints (test continuing) >80 years Iris Canvas (test continuing) >80 years Lyson has changed their inks so many times, that at one point they had to list the colors by which generation that were on. There more recent inksets may indeed have finally stabilized. Art Patrick wrote: > "Arthur Entlich" <e-printerhelp(a)mvps.org> wrote in message > news:NvHje.1427208$8l.1207443(a)pd7tw1no... > >>I don't know what Mr. Lyson was partaking of when he wrote that article >>but here's something from Creo's website (they are the world's largest >>pre-press supplier and sell Iris products) >> >>"How light-fast are Iris inks? >>Iris prints can last unprotected six months or longer, depending on >>surrounding environmental factors. Direct sunlight, room lighting and >>humidity are all factors that affect image permanence." > > > I suppose its like anything else - it depends where you look for > information. The link below states upto 36 years before noticable fade. > These figures seem to have been supplied by Wilhelm Imaging Research. > Perhaps they have flawed testing methods? > http://www.aquarelle.ca/dietrich/giclee.html > > >>Lyson's history has numerous fits and starts with ink sets and withdrawn >>inks. Some of their inks are not compatible with OEM inks and require >>the old inks to be fully flushed out of they will cause major head clogs. > > > Lyson dye based ink does seem to fair well in tests; > http://www.wilhelm-research.com/pdf/additional_wir/WIR_Permanence_06_2000.pd > f > > -- > Patrick > > |