Archived posting to the Leica Users Group, 2008/01/03
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Wow, y'all really clean your lenses ? :^) > Date: Wed, 2 Jan 2008 15:01:37 -0800> From: h_arche@yahoo.com> Subject: > Re: [Leica] Thumbs down for Lens Pen! ----tried and proven method> To: > lug@leica-users.org> > Whoa! Butane is gas used in pressurized lighters.> > > A Zippo, with its open-end felt-wick reservior, cannot> even be loaded > with Butane; it takes Naphtha, which is> also used as a spot remover on > clothes. > > I haven't tried Naphtha on a lens, and wouldn't, given> all > the commercial lens cleaners out there. Acetone> also seems to be a more > aggressive solvent than is> called for, but carefully applied should be OK > for a> one-off situation. Maybe pure de-natured alcohol is> more > appropriate as a mild degreasing agent. (test on> an out-of-the-way > corner).> > I've been using something called 'Liquid Fusion' I got> from > Freestyle with Kodak lens tissues and have been> happy with it.> > --- > Philip Leeson <pjleeson@mchsi.com> wrote:> > > Acetone is fingernail > polish remover.> > Butane is Zippo fluid.> > I wouldn't use either on a > lens with so many other> > alternatives.> > Phil> > > > On Jan 2, 2008, at > 9:16 AM, G Medina wrote:> > > > > 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> > >>>>> > > >>>>> > >>>>> > >>>>> > >>>> > >>> > >> >> > ____________________________________________________________________________________> > > >>>> Looking for last minute shopping deals?> > >>>> Find them fast > with Yahoo! 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Try it now.> > >>>> > >>> > >> >> > http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ> > >>>> > >>>> > > >>>> > >>> _______________________________________________> > >>> Leica > Users Group.> > >>> See http://leica-users.org/mailman/listinfo/lug> > >> > for> > >>> more information> > >>>> > >>>> > >>>> > >>> > _______________________________________________> > >>> Leica Users Group.> > > >>> See http://leica-users.org/mailman/listinfo/lug> > >> for> > >>> > more information> > >>>> > >>>> > >>>> > >>> > ---------------------------------> > >>> Never miss a thing. Make Yahoo > your homepage.> > > === message truncated ===> > > > > ____________________________________________________________________________________> > Looking for last minute shopping deals? > Find them fast with Yahoo! > Search. > http://tools.search.yahoo.com/newsearch/category.php?category=shopping> > > _______________________________________________> Leica Users Group.> See > http://leica-users.org/mailman/listinfo/lug for more information