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[OM] Re: Telecentricity

Subject: [OM] Re: Telecentricity
From: hiwayman@xxxxxxx (Walt Wayman)
Date: Wed, 24 Aug 2005 14:16:52 +0000
The rear element of the 14-54 is about 19mm.

Sorry, but I can provide no further data, bring poor and having no other DZs.  
(Should we pronounce that "disease" or "dizzies"?)

Walt

--
"Anything more than 500 yards from 
the car just isn't photogenic." -- 
Edward Weston

 -------------- Original message ----------------------
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxx>
> Walt Wayman wrote:
> 
> > A quick measurement with an old plastic ruler shows the rear element of the 
> LWMNBN to be just about 14mm in diameter.  That somehow seems appropriate, I 
> suppose.  There's a certain symmetry there.
> > 
> > Walt
> > 
> > --
> > "Anything more than 500 yards from 
> > the car just isn't photogenic." -- 
> > Edward Weston
> > 
> >  -------------- Original message ----------------------
> > From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxx>
> > 
> >>According to Oly a telecentric lens requires a large diameter mount 
> >>compared to the size of the sensor.  They made a big point about the (OM 
> >>size) mount on the E-1 being twice the width of the sensor.
> -----------------------------------------
> 
> OK, where's the beef, Oly?  I just picked up and measured my 50/1.4 
> (random grab) and find that its rear element is about 30mm diameter. 
> Can't be a problem of physically fitting large rear elements into the 
> confines of the mount diamter.
> 
> Chuck Norcutt
> 
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