I get the impression that Bon Ami is too rough.
___________________________________
John Hermanson | CPS, Inc.
21 South Ln., Huntington NY 11743
631-424-2121 | www.zuiko.com
Olympus OM Service since 1977
Gallery: www.zuiko.com/album/index.html
On 2/7/2013 1:12 PM, Charles Geilfuss wrote:
> I don't know about cigar ash. Bon Ami is an excellent cleaning
> abrasive as long as whatever you are cleaning is harder than
> limestone. Bon Ami is made of powdered limestone, feldspar (I think)
> and coconut shell. It works wonders on pot & pans leaving them mirror
> bright so long as they weren't scratched to begin with. To polish
> watches glasses, both mineral and plastic, I use Wenol metal polish.
> Great stuff! I don't believe I would use either one on coated camera
> lenses.
>
> Charlie
>
> On Thu, Feb 7, 2013 at 1:02 PM, Larry G. Griffin
> <lggriffin@xxxxxxxxxxxxx> wrote:
>> John is correct tobacco ash is a light abrasive. I worked for an
>> Aerospace company there was an the 'old school' German optics tech
>> there. Who said I could use cigar ash to polish the plastic crystal on
>> my watch. IIRC I was advised to use the light grey ash as it had burned
>> better, and less impurities. I have done that more than once
>> successfully. Another abrasive that comes to mind is Bon Ami cleanser,
>> not Ajax, Clorox, or any other. At one time Bon Ami was guaranteed not
>> to scratch. I use Bon Ami to clean the road grime off my window shield
>> with no ill effects.
>> Larry
>>
>> John Hermanson wrote:
>>
>> I haven't had the time to try it yet, but I was advised that buffing the
>> fogged 8mm element with cigarette ashes can remove fogging. This advice
>> by way of a Leica repair group. I concur, a bad initial coating during
>> creation.
>>
>> ___________________________________
>> John Hermanson | CPS, Inc.
>> 21 South Ln., Huntington NY 11743
>> 631-424-2121 | [1]www.zuiko.com
>> Olympus OM Service since 1977
>> Gallery: [2]www.zuiko.com/album/index.html
>>
>> References
>>
>> 1. http://www.zuiko.com/
>> 2. http://www.zuiko.com/album/index.html
>> --
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