Archived posting to the Leica Users Group, 2003/01/14

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Subject: Re: [Leica] I eat crow
From: Martin Howard <mvhoward@mac.com>
Date: Tue, 14 Jan 2003 11:49:48 -0800

I have no clue what you guys are talking about.  What the hell is the 
difference between "object space" and "image space" and why should I 
need to know about it?

M.


On Tuesday, Jan 14, 2003, at 11:38 America/Los_Angeles, Herbert & Lee 
Kanner wrote:

> I retract my questioning of Martin Tai's calculation.  I was thinking 
> in terms of the image space instead of the object space.  While 
> mulling over this while eating breakfast, I realized my error.  I 
> calculated the correction assuming that the 50mm lens is a thin lens 
> since I don't know the distance between the image and object principal 
> planes of a Leica 50mm Summitar, e.g.  I came up with a setting of 
> 94.61 cm, which is pretty close to Martin Tai's 94.7.
>
> Herb --
> To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html
>

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Replies: Reply from Ted Grant <tedgrant@shaw.ca> (Re: [Leica] I eat crow)