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Re: [OM] Low light photography

Subject: Re: [OM] Low light photography
From: "Windrim, Brian" <brian@xxxxxxxxx>
Date: Wed, 27 Oct 1999 17:43:13 +0100
Frank Ernens wrote:

> > On the other hand all OMs have the disadvantage of light weight,
> > while sheer mass can help damp vibration
> 
> Is there a scientific basis to this?  Because, it seems to me, that
> some rather heavy objects - swimming pools of water, railway tracks,
> concrete paths - transmit sound (vibration) very well. The shape
> and material might matter more than the mass. Do we have any
> civil engineers subscribing? Surely we have a physicist or two.
> <snip>

As Joey Richards has already given a more lucid answer than I ever could
(thanks Joey!)
I'll confine myself to remarking that any optical bench I have seen has
been *heavy*.

-Brian


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