Archived posting to the Leica Users Group, 2009/02/08
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]To Geoff, Frank Thanks for your comments, I've talk again with the workshop and it was a misunderstanding. They use a special gasoline but only to clean metal parts before to re-lubricated, never on the glass! Saludos cordiales Lluis El 06/02/2009, a las 7:52, Geoff Hopkinson escribi?: > Lluis I would not let anyone put my lens elements in petrol. Zeiss > and > Leica use their own cleaning solutions which I think are based on > isopropyl > alcohol. It is very pure and leaves no residue behind. Petrol could > be used > to degrease metal parts before they are re-lubricated. Ultrasonic > baths can > also be used to clean optics. Petrol is suitable for cleaning your > bicycle > chain or running your car engine. > > 2009/2/6 Lluis Ripoll <luisripoll@telefonica.net> > >> >> I've purchased an old Zeiss Jena Sonnar 2/85 the focusing was very >> tight >> and I've gave it to a local workshop to be CLA, the glass is in >> perfect >> condition but dusty. The man of the workshop will do again the >> correct >> lubrication and he said me too that at the same time he will clean >> the dust, >> soaped on petrol, I was very surprised and he said me that this is >> absolutely usual. >> >> Can someone confirm me if this can not affect the fluorite coating >> of the >> Zeiss lenses or be maybe damaged? >> >> Thank you very much! >> >> Saludos cordiales >> Lluis >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > > > -- > Cheers > Geoff > 'Licence to Chill' > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information