Yes, goose feather is my favorite tool for cleaning focus screens. I bet
also safe for mirrors.
___________________________________
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
Chuck Norcutt wrote:
> Sorry, I can't help you with the sensor alignment. But I wouldn't worry
> about cleaning the mirror any more than cleaning a lens. You might try
> stroking it lightly with a small piece of Swiffer Duster if you have
> some. If you don't have any or that doesn't do it completely then I
> would swab it gently with a cotton swab and lens cleaner, alcohol or
> what have you. Do it multiple times using a clean swab each time.
>
> Modern first surface mirrors are tougher than most people realize. They
> are aluminized in a vacuum chamber by sputtering aluminum vapor onto the
> surface to form a thin coating. As soon as the aluminum is exposed to
> air the surface oxidizes to form a microscopically thin coating of
> aluminum oxide. You might recognize aluminum oxide as the stuff that
> grinding wheels are made of. So, while in an extremely thin layer, it's
> also very hard. It should easily stand up to any cleaning solution you
> might reasonably use on any other bit of optics.
>
> I think John Hermanson has spoken here of using bird feathers as a
> sweep. But I have none such. :-)
>
> Chuck Norcutt
>
>
> Doug wrote:
>> I took my Polaroid sprintscan 4000 partially apart to clean the mirror in
>> it.
>> The question I have is how do I clean the mirror. It's dustier than I can
>> just blow off and I don't want to blow the dust deeper into the scanner. The
>> mirror appears to be a first surface mirror and I don't know what solvents I
>> can use without damaging the metal.
>>
>> I also took what I believe to be the sensor off by mistake. Any opinions on
>> realigning it.
>> -Doug
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