I couldn't agree more; less is more. Even least may be too much. I'm not as hung up on cleaning filters though. I'll probably email Gerry Smith, the Canadian dean of Leica repair, to get his input, just to be sure. cheers Dave ________________________________ From: Sonny Carter <sonc.hegr@xxxxxxxxx> To: leicareflex@xxxxxxxxxxxxx Sent: Sat, January 16, 2010 10:01:10 AM Subject: [LRflex] Re: formula for lens cleaning fluid On Sat, Jan 16, 2010 at 11:51 AM, David Simms <simmszee@xxxxxxxx> wrote: > Hmmmm. Is it capable of cleaning the lettering, for instance on a Leica > lens ? > I think I'd find myself being somewhat squeamish about using it on optical > surfaces although the (possible) Leica-sanctioned mixture that I mentioned > would probably not be much less nasty. > Thanks > Dave > I dunno, many of the older lens components were cemented with organic materials. As far as buying, fixing up and selling, how do you know the long term effects of lighter fluid on the lenses? You don't have them any more. I think I'd just be careful. Less is more with lenses. -- Regards, Sonny http://www.sonc.com http://sonc.stumbleupon.com/ Natchitoches, Louisiana (+31.754164,-093.099080) USA ------ Unsubscribe or change to/from Digest Mode at: http://www.lrflex.furnfeather.net/ Archives are at: //www.freelists.org/archives/leicareflex/ __________________________________________________________________ Connect with friends from any web browser - no download required. Try the new Yahoo! Canada Messenger for the Web BETA at http://ca.messenger.yahoo.com/webmessengerpromo.php ------ Unsubscribe or change to/from Digest Mode at: http://www.lrflex.furnfeather.net/ Archives are at: //www.freelists.org/archives/leicareflex/