wow, that's quite a torture test.
___________________________________
John Hermanson | CPS, Inc.
21 South Ln., Huntington NY 11743
631-424-2121 | www.zuiko.com
Olympus OM Service since 1977
Gallery: www.zuiko.com/album/index.html
Ken Norton wrote:
>> Canon has a list of how long their dye prints should last, and those
>> numbers improved significantly a few years ago with a their new ink
>> formulation. Prints not in direct or reflected sunlight, behind glass,
>> etc., have very good longevity.
>>
>
> As a point of comparison, several years ago I performed extensive testing
> with the Canon dyes in Ilford Gallerie Classic. I took prints with the IT8
> target printed on them and literally taped them to the outside wall facing
> south. They were just under the eave enough that they stayed mostly dry, but
> they still got no less than 2-3 hours of DIRECT sunlight per day. As this
> house was next to I-80, there were plenty of exhaust fumes eating away at it
> too. I made sure, when taping, that I had an airgap behind them for full air
> circulation front and rear.
>
> Inotherwords, pretty much a worse-case environment.
>
> After two years, when I finally pulled them off the wall, there was more
> damage from water and bird-droppings than fade. Essentially, about the worse
> thing that happened is the lightest yellow faded away.
>
> AG
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