Re: UV Filter
Re: UV Filter
- Subject: Re: UV Filter
- From: "Walter Zacharias" <email@hidden>
- Date: Thu, 11 Oct 2001 07:17:46 -0500
I recently raised the question as to how do I know when to use the UV filter. His answer was: "if the b* value in the L*a*b* reading of the paper white is less than -5, then the paper is considered flourescent and you need to use a UV filter." (Monaco Profiler is good with this as the first patch it reads is the paper white.)
I am trying to improve predictability between a Pictro and an Approval. The paper we use for proofing on the Approval had a b* value of -5.11, so I got a UV filter. I first recreated only the Approval profile and ran a test. Ugly results - really dark images overall. So I assumed I had to have both profiles created using the same filter. But when I did, I got the exact same results.
Any suggestions as to what I am doing wrong?
Walter Zacharias
Prepress System Admin.
Friesens Corporation
email@hidden
Forgiveness saves the expense of anger,
the cost of hatred and the waste of energy.
>
>> ADAM Olivier <email@hidden> 10/11/01 03:46AM >>>
In a message dated 10/10/01 6:57:16 PM,
email@hidden writes:
>
I don't have a UV filter on my spectrolino.for wich
>
>
kind of job is it interesting??I 'm woking a lot with
>
>
ink jet printers.
Then it would be use on UV whitened inkjet papers that
would interest
you.
C. David Tobie
does it mean that it's necessary with some papers like
Epson paper :Photo premium glossy??
Olivier
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