Archived posting to the Leica Users Group, 2008/01/02
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]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! 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 > > > > > > > > > > > > ____________________________________________________________________________________ > > Be a better friend, newshound, and > > know-it-all with Yahoo! Mobile. 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. > > > > _______________________________________________ > > Leica Users Group. > > See http://leica-users.org/mailman/listinfo/lug > for > > more information > > > > > > > ____________________________________________________________________________________ > Be a better friend, newshound, and > know-it-all with Yahoo! Mobile. Try it now. > http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for > more information > ____________________________________________________________________________________ Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs