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[OM] Re: Telecentricity

Subject: [OM] Re: Telecentricity
From: "Andreas Pirner" <AndreasPirner@xxxxxx>
Date: Wed, 24 Aug 2005 18:12:18 +0200
Chuck Norcutt wrote:

> 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.

For a perfect telcentricity it should be 
42-43mm, the diagonal of the film area, 
shouldn't it? I dunno about wide angle 
lens design AND doing that telecentric. 
Maybe that involves even wider elements 
(no, should not).

Andreas

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