Archived posting to the Leica Users Group, 2009/02/08
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I am pleased to hear that Lluis. I rhought there must be a misunderstanding. Don is describing using solvents to remove old lubricant from the barrel metal parts. That makes sense, You said that the glass was clean except for dust. No need to use petrol to remove dust! 2009/2/9 Lluis Ripoll <luisripoll@telefonica.net> > 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' >> >