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[OM] Re: actual 18 mm value at the moment?

Subject: [OM] Re: actual 18 mm value at the moment?
From: Tim Hughes <timhughes@xxxxxxxx>
Date: Wed, 30 May 2007 08:20:32 -0700 (PDT)
Moose,
   I was asking if the total depth dimension you quoted, was roughly split into 
two by the 72mm
depth and the 49mm depth or if they had made one shallower than the other 
splitting the depth you
quoted unevenly?
Tim Hughes
--- Moose <olymoose@xxxxxxxxx> wrote:

> Tim Hughes wrote:
> > Mosse , 
> >        when you say total depth, is the part that is 49mm the same depth as 
> > the 72mm part?
> 
> I'm not sure I understand the question. If you place the hood/adapter on 
> a table resting on either round end and rest something stiff and flat 
> across the top on the other round end, the dimension I quoted is the 
> distance from the thing on top to the surface of the table.
> 
> Considered as a conic section cut orthogonal to the axis, this dimension 
> would be called the length.
> 
> Moose
> 
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