[Leica] Thumbs down for Lens Pen! ----tried and proven method

[leicamshooter at yahoo.com (G Medina)]

And where would one get Pure, lab grade Acetone? Is
this the same principal of Zippo lighter fluid?

Thanks!

--- G Medina <leicamshooter@yahoo.com> wrote:

> I'm looking at 1 ounce of ROR cleaner with a Leica
> microfibre cloth from BH photo, but this sounds
> interesting. Is acetone ok to use?
> 
> --- Bill Smith <wrs111445@yahoo.com> wrote:
> 
> > Awhile back here it was recommended to use the
> > following method:
> >    
> >   1.) use bulb blower.
> >    
> >   2.) one application of pure, lab grade Acetone
> on
> > a new Q-tip one one end and dry w/ the 
> >       other end.
> >    
> >   3.) repeat #2 above w/ new Q-tip.
> >    
> >   4.) one application of a "wetting agent"
> solution
> > of one qt. bottle of distilled water/ two drops 
> >        of a dishwashing detergent on a new Q-tip
> and
> > dry w/ the other end..
> >    
> >   5.) repeat #4 above w/ a new Q-tip.
> >    
> >   I have used this method over and over on my
> lenses
> > when they get dirty or have fingerprints and it
> > works like a champ.
> >    
> >   
> > 
> > G Hopkinson <hoppyman@bigpond.net.au> wrote:
> >   Very likely you may not identify any loss of
> > quality at all in practical use from what you are
> > describing. For cleaning fingermarks,
> > I use the Zeiss optical cleaning mixture with
> > microfibre cloths. I find it to be excellent. You
> > can get Zeiss moistened wipes in
> > sachets, too. I think someone may have mentioned
> > them. I bought a couple of hundred off the bay a
> > while back. They are really easy
> > to carry and effective to use. While you are being
> > careful, be sure to use a clean soft brush to
> gently
> > remove any dust or grit
> > before you wipe with anything. Plenty of people on
> > the list will tell you that modern Leica lens
> > coatings are tough and I have no
> > doubt that is true. I am always careful cleaning,
> > maybe more than I need to be, but there is
> certainly
> > no harm in it. I have never
> > scratched any lens over quite a few years of
> camera
> > handling.
> > 
> > Cheers
> > Geoff 
> > 
> > -----Original Message-----
> > Subject: Re: [Leica] Thumbs down for Lens Pen!
> > 
> > Ok, upon close inspection with a pen light through
> > the front of the lens, I still have some oily
> > residue left over. Looking at the
> > lens directly on held to a light source like a
> > ceiling lamp, the lens looks very clear all the
> way
> > through, but with a pen light a
> > see some slight leftover stuff, including dust in
> my
> > lens. 
> > 
> > I don't recommend anyone use a pen light with
> their
> > precious lenses if they're in anyway obsessive.
> You
> > won't like what you see! Am
> > I being obssesive about my lens, or should I order
> > some ROR and a new microfibre cloth from BH photo?
> > Will it affect picture quality
> > is what I'm asking?
> > 
> > Thanks,
> > G Medina
> > 
> > 
> > --- G Medina wrote:
> > 
> > > I had a oily fingerprint in the rear element of
> my
> > 28mm Contax G2 
> > > lens. A microfibre cloth didn't work.
> > > Breathing on it didn't work either. Distilled
> > water just moved the 
> > > print around. I ordered the lens pen, and it
> also
> > just shifted the oil 
> > > around. So I researched several days and decided
> > to give windex and a 
> > > soft nose tissue a try. Believe it or not, it
> > worked the best! I'm 
> > > being very careful, so I've waited till morning
> to
> > evaluate the 
> > > result, but my result looked good last night.
> > > 
> > > I'd be afraid to use this on a single coated
> 50's
> > lens, but it seems 
> > > to work nice on modern coated lenses.
> > > 
> > > Anyone use Windex before?
> > > 
> > > Thanks,
> > > G Medina
> > > 
> > > 
> > > 
> > >
> >
>
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> > 
> > 
> >
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> 
>      
>
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