I'm under the impression that the Zeiss cleaner is just pure alcohol (Isopropanol)--- the same stuff that Ralph found Nikon to be using. I get my IPA from Kremer Pigments in Munich at a cost of 4,25 EURO (plus Tax) for a 1 litre can. I don't use, however, just pure IPA but often dilute it with (deionized or "distilled") water and add a drop of wetting agent (Agfa Agepon). I also don't generally use a leather chamois. I typically use a piece of a microfiber rag. I learned in my cine days to clean with Kodak tissues but after some trouble getting them I broke down and tried a Leica branded cloth to call in the new common Millenia and must say that modern synthetic lens schmatas really do work better. In their use I'd even go as far as to suggest that the risk (NOT the fear) of contamination damage is minimal and the risk of damage from mis-use significantly lower... Quoting Georges Giralt <georges.giralt@xxxxxxx>: > Hello ! > In France, the Zeiss cleaning kit suffer a very high reputation and is > highly > commended... But price is a bit high. > YMMV ;-) > Selon "Ralph W. Lambrecht" <info@xxxxxxxxxxxxxxxx>: > > > There were some Nikon representatives at the last Photokina, who offered > > free lens cleaning to Nikon customers. I asked them what it was they were > > using, because it worked extremely well. > > > > It turned out to be medical-grade alcohol and a leather chamois! > > > > > > > > > > > > Regards > > > > > > > > Ralph W. Lambrecht > > > > http://www.darkroomagic.com > > > > > > > > > > > > > > > > > > On 2006-12-27 16:48, "Peter De Smidt" <pdesmidt@xxxxxxx> wrote: > > > > > Has anyone tried Purosol Optical? (www.purosol.com) Apparently, it's an > > > enzyme based lens cleaner that works very well. I first read about it > at: > > > > > > > > > http://www.denguru.com/2006/12/27/finally-an-optical-lens-cleaner-that-really- > > > works/ > > > > > > I probably order a bottle and try it out. > > > -- Edward C. Zimmermann, Basis Systeme netzwerk, Munich http://www.nonmonotonic.net ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.