Re: Viewing Booths
Re: Viewing Booths
- Subject: Re: Viewing Booths
- From: Andreas Kraushaar <email@hidden>
- Date: Thu, 16 Jul 2015 19:23:33 +0200
check also how easy it is when looking at:
http://www.fogra.org/en/presentations-and-talks-of-the-prepress-department-technology.html
How to tackle OBA? Practical solutions for proof to printing matches for OBA rich substrates
regards
Andy
PS: And the tool used already includes the UV amount expressed by means of the Fogra method!
> On 16 Jul 2015, at 17:52, Claas Bickeböller <email@hidden> wrote:
>
> Hi Mike, Andy,
>
> sorry, but using an i1Pro you cannot judge the UV content.
> As Mike was mentioning problems especially with OBA treated papers it's no option at all.
>
> The FD-7 starts measuring at 360nm which gives you the necessary information about the UV energy of your viewing environment.
>
> Best regards
>
> Claas
>
>
>
> Am 15.07.2015 um 16:27 schrieb Andreas Kraushaar <email@hidden <mailto:email@hidden>>:
>
>> Hi Mike,
>>
>> you can check this objectively by using our ISO 3664 MS Excel implementation and the I1 Pro (or FD7).
>>
>> Download it here (scroll down to Viewing booth)
>> http://www.fogra.org/en/downloads-for-softproof.html
>>
>> and how to get the spectral reading from your i1Pro?
>> http://www.fogra.org/en/expert-knowledge.html
>>
>> regards
>> Andy
>>
>>
>>
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>>
>> Dr.-Ing. Andreas Kraushaar
>> Dept. Prepress
>>
>> Fogra Graphic Technology Research Association
>> Streitfeldstrasse 19
>> 81673 Munich, Germany
>>
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>>> On 15 Jul 2015, at 16:21, Mike Stewart <email@hidden> wrote:
>>>
>>> Just wondering how people are verifying accuracy to ISO 3664-2009 not only
>>> on your own viewing booths; but also on "clients" viewing booths? For years
>>> we were ordering bulbs through our graphics supplier. These bulbs do adhere
>>> to ISO 3664-2009; but we started seeing a rather large discrepancy between
>>> our two large viewing booths; especially with optically brightened papers.
>>> Booths were clean, no ambient light problems. It is important to note that
>>> the bulbs were not purchased through Home Depot type stores, but through a
>>> reputable Graphics supplier. We talked with the booth manufacturer who
>>> mentioned that bulbs could still meet the ISO 3664-2009 requirements while
>>> coming from different manufacturers (ex: Sylvania, Philips).
>>>
>>> Needless to say the viewing booth manufacturer said to order bulbs from
>>> themselves. We did that and it completely solved our in-house problem. I
>>> asked them about using the GATF Rhem indicators on customers booths and
>>> they implied that they would not work too well. If that is the case; how
>>> can we ensure that our customers (worldwide) are seeing what we are seeing.
>>> Is there a different "Rhem" indicator that might work, such as the one Ugra
>>> sells? Can we suggest that they purchase bulbs from the viewing booth
>>> manufacturer. It really is unfortunate that bulbs can adhere to the ISO
>>> specification but still create rather large visual differences. Any input
>>> would be appreciated.
>>>
>>> Thanks
>>> Mike Stewart
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