Back around 1980 one of the camera repair shops in Toronto used fingernail polish remover! It does a great job on "vintage" lenses, but I haven't tried it with plastic.
A second shop used what looked like powdered graphite and a little brush.
Ammonia in distilled water should work well. "Household ammonia" used to be something like 30% ammonia, and I've cleaned cameras and glass with that, too. [ BTW, it is an inexpensive and highly effective way of getting off "tree sap" or whatever it is that gets on cars when you park them under trees at certain times of the year. ]
Myron On 31-Aug-09, at 1:39 PM, Hagner, Andrew wrote:
Hi Bob:I do not know what the commercial fluids contain, but I do mix my own using 99% isopropyl alcohol (about ½ volume) and distilled water (the other ½ volume) to which I add a drop or two of Ilfotol (a wetting agent). I vaguely remember, I got this idea from one of Richard’s posts a good while ago.Cheers, - Andrew.From: pure-silver-bounce@xxxxxxxxxxxxx [mailto:pure-silver-bounce@xxxxxxxxxxxxx ] On Behalf Of BOB KISSSent: August 31, 2009 12:11 PM To: pure-silver@xxxxxxxxxxxxx Subject: [pure-silver] WHAT IS LENS CLEANING FLUID? DEAR LIST,Does anyone know the composition of lens cleaning fluid? I am tired of buying those stupid little bottles when they happen to show up in Barbados. It must be possible to mix my own. One of our local repair technicians uses glass cleaner (like Windex) but I thought I had read that using something like that might damage the coatings. Soooooooooooooo, if anyone knows how to mix my own lens cleaning fluid, please advise.CHEERS! BOB Please check my website: http://www.bobkiss.com/"Live as if you are going to die tomorrow. Learn as if you are going to live forever". Mahatma Gandhi__________ Information from ESET NOD32 Antivirus, version of virus signature database 4384 (20090831) __________The message was checked by ESET NOD32 Antivirus. http://www.eset.com
