I doubt it. I think it will be covered with a fine film of residue from the
whisky. Ethanol, which evaporates quite well, forms only about 40% of the
volume of whisky, the rest is water, essential oils and other stuff that
gives it the flavour.

Dr E D F Williams

http://personal.inet.fi/cool/don.williams
Author's Web Site and Photo Gallery
Updated: March 30, 2002


----- Original Message -----
From: "Keith Whaley" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Sunday, December 01, 2002 8:20 PM
Subject: Re: Basic rule you can take to the bank


> I've always considered myself a good cleaner, but have a couple of
questions.
> I use Q-tips, moistened with water, and after breathing moist, warm
> breath on the glass, I lightly apply the tip, starting at the lens
> center, and spiralling outward to the filter ring threads. Throw the
> tip away.
> Breathe on lens, moisten (almost dry) Q-tip with H20 and do it again.
> NEVER using the same tip again. NEVER clean a lens without using a
> light camel hair's brush to remove all surface lint and firt particles
first.
> If that doesn't remove everything, I'll dip the very tip of the Q-tip
> in a good single malt scotch, and with it so moistened, do the light
> spiralling technique again.
> I finish with moist breath again, and it's all dry and clean. Usually...
>
> Question? Any other liquids okay with SMC-coated lenses? Even if it's
> a commercial preparation of some sort, no problem, but some dirt does
> require a mild solvent. What do YOU use?
> 1:1000 V/V mild dishwashing liquid soap in water, maybe?
>
> keith whaley
>
> Dr E D F Williams wrote:
> >
> > Generally speaking people who scrub lenses (aaaaargh!) to clean them do
it
> > round and round and not radially. Radial marks are quite unusual and
bear
> > investigation merely because they are such. Lens cleaning is an art and
> > should only be carried out by someone who is a master of that art. One
very
> > good way to really _clean_ a lens element is to take it from the mount
and
> > wash it in soapy water, Fairy Liquid is good, rinse it in deionised
triple
> > distilled water and dry in on edge in a completely dust free atmosphere.
> > There are other ways, but they are rather special. Washing in a reflux
> > chamber with propanol vapour for example. Not easily done by someone
outside
> > a laboratory.
> >
> > Don
> >
> > Dr E D F Williams
> >
> > http://personal.inet.fi/cool/don.williams
> > Author's Web Site and Photo Gallery
> > Updated: March 30, 2002
> >
> > ----- Original Message -----
> > From: "Keith Whaley" <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Sunday, December 01, 2002 3:24 PM
> > Subject: Re: Basic rule you can take to the bank
> >
> > > Marks that are in a circular pattern are called circumferential, and
> > > marks that start in or about the center of the lens and traverse the
> > > lens surface to the outside are called radial marks.
> > >
> > > keith whaley
> > >
> > > Mike Johnston wrote:
> > > >
> > > > > Interesting.  The marks in my lens are radial, ie they go around
the
> > lens
> > > > > in a circular pattern and cover basically the whole area of the
> > element.
> > > >
> > > > Pretty much Universally, lens elements should not have marks on
them.
> > > >
> > > > --Mike
> > > >
> > > > P.S. I'm hoping this will prove an uncontroversial statement. <g>
> > >
> > >
>


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