Tony,
I dare to question what you wrote... While you are right to say, that felt
is quieter than foam used to dampen the mirror slap, just for the reason you
mention (felt gets progressively firmer when compressed) it gets harder and
harder with time and thus more inclined to conduct the mirror blow through
the camera. It will still be quiet but much less dampening than foam after
prolonged use! That's the reason why manufactures use foam nowadays rather
than felt. (lack of the felt has nothing to do with it...:-)) George
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, May 11, 2001 5:35 AM
Subject: Re: [Cameramakers] replacement foam
>
>
> On Fri, 11 May 2001 09:17:41 +0800 "Kelvin" <[EMAIL PROTECTED]>
> writes:
> > Hi
> >
> > It's not really for sealing as in the filmback etc. ... what I had
> > in mind
> > was the sponging where the mirror bounces off when it flips up. Will
> > this
> > felt do?
>
> It works there also. The mirror slap is all but eliminated because the
> felt is soft and gets progressively firmer when compressed while the foam
> represents a solid but compressible material for the duration of the
> mirror contact. Cameras using felt are quieter.
>
> Tony Ascrizzi - Electric Vehicle Systems
> 34 Paine St.
> Worcester, MA 01605 (508) 799-5650
> Web Page -->http://ElectricVehicleSystems.com
> President -->New England Electric Auto Association
> http://www.eaaev.org
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>
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