[filmscanners] RE: HP PhotsSmart - questions

["Laurie Solomon" <laurie@advancenet.net>]

Art, I have never run across this either; but I think that both you and
I have used mostly lower and middle end units.  It may be very possible
that the very high end commercial flatbed scanners might employ such a
coating - particularly if they are large commercial wide format scanners
and there is a significant possibility that there will be times when the
originals to be scanned will not cover a significantly large portion of
the glass flatbed so as to allow for potential reflections of the
uncovered glass portions of the bed if a non-reflective coating was not
used.  Of course, this is just speculation on my part since I cannot
afford any of those models. :-)


----Original Message----
From: filmscanners_owner@halftone.co.uk
[mailto:filmscanners_owner@halftone.co.uk] On Behalf Of Arthur Entlich
Sent: Monday, August 08, 2005 4:36 AM
To: laurie@advancenet.net
Subject: [filmscanners] Re: HP PhotsSmart - questions

> I have yet to see an anti-reflective coating on the glass of
> a flatbed scanner, and I have owned half a dozen different
> models.  I also have never seen it used on photocopiers,
> which use a similar technology, these days.
>
> Art
>
> wbgilloolyjr@charter.net wrote:
>
>> This was the head of Schneider Optics USA service.
>>
>> Mr. Bill
>>
>> P.S.  The original question was to confirm a Schneider recommendation
>> that I had heard of a 50/50 mix of sudsy ammonia and hydrogen
>> peroxide for cleaning lenses.  They told me that this would be good
>> for cutting fungus or something very oily, but recommended the 50/50
>> Windex mix for every day use.  Oddly enough, at Scitex, we
>> recommended avoiding ammonia based cleaners as we felt they would
>> strip the anti-reflection coating off the flatbed glass on our
>> scanners.
>>
>>
>> Mike Kersenbrock wrote:
>>
>>> wbgilloolyjr@charter.net wrote:
>>>
>>>
>>>
>>>> You are mistaken.  I've communicated with the head of service for
>>>> Schneider Optics and Windex diluted 50:50 with water is the #1
>>>> thing he recommends for cleaning lenses.
>>>>
>>>>
>>>
>>> One thing to think about is that it's possible that Windex has a
>>> different formulation depending upon the country it's sold in.
>>>
>>> Just a thought...
>>
>>
>>
>
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