For the seals, tiny strips cut from adhesive-backed black felt will work
well. I fixed my last SLR this way.
I cleaned up the engraving on a lens this morning using a spray lens cleaner
given me by an optical shop. Probably not too different from Windex.
The "acid brush" referred to is the stiff-bristle disposable brush used to
apply soldering paste.
Jim Nichols
Tullahoma, TN USA
----- Original Message -----
From: "Andrew Fildes" <afildes@xxxxxxxxxxxxx>
To: "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
Sent: Monday, November 21, 2011 4:22 PM
Subject: Re: [OM] Cleaning Lenses
> Brand names and local names make it difficult. For instance, I don't know
> what you mean by an 'acid brush'. I'm sure that there's a local version of
> Pliobond but I've just resorted to importing it from the US, probably
> illegally. Good stuff for leather and leatherette, a bit iffy with vinyl
> which goes very soft until it's dry.
> I've found that I need a range of cleaning solvents -
> Lighter fluid for shutter blades and some general cleaning.
> Alcohol - ethanol.
> Acetone (usually non-oily nail polish remover).
> Where one won't work, another will and they are all fast vaporising,
> although they do seem to leave some slight residue.
> Clear Windex for glass. (that seems to be a consistent brand name).
> I find that a citrus and alcohol product called Citra here is excellent
> for removing old glues although it leaves an oily residue which has to be
> removed with a solvent.
> I'm about to experiment with Matt Denton's idea of replacing light seals
> with black velvet ribbon (hinge) and crochet wool (channels) instead of
> foam.
>
>
> Andrew Fildes
> afildes@xxxxxxxxxxxxx
>
>
>
> On 22/11/2011, at 8:57 AM, Chris Trask wrote:
>
>> I just took an acid brush and cut the bristles down to 5mm. Then
>> dipped
>> it lightly in alcohol and with a small swirling motion cleaned out all of
>> the dirt in the engraved lettering and other markings. Afterwards, I
>> used a
>> very soft cloth moistened with De-Solv-It and cleaned away all of the
>> residue. Now, except for the wear along the sharp edges, the lens looks
>> as
>> good as new.
>>
>> I'll get myself some of that 'Antistatic foaming cleaner' later when I
>> locate some.
>
> --
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