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

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Subject: Re: [Leica] I eat crow
From: Johnny Deadman <lists@johnbrownlow.com>
Date: Tue, 14 Jan 2003 22:57:20 -0500

okay, that is somewhat different from what I envisaged. if you were to 
move the camera in a plane parallel to the plane of focus (or indeed 
the film plane, which is the same in a 35mm camera) then the eye would 
certainly still be in focus.

However most people when reframing do rotate the camera about an axis.

There is a third possibility when using a camera with shift capability, 
of course, which is to shift the lens. This is always in a plane 
parallel to the plane of focus (think about it!) so focus doesn't 
change at all. In fact, by combining camera movement and shift, you can 
keep the lens in the same place and 'shift' the back so the image 
geometry remains identical.

JB


On Tuesday, January 14, 2003, at 10:37  PM, Austin Franklin wrote:

> But, that is NOT what the article that we were talking about says it 
> does.
> He is answering a DIFFERENT question, right or wrong.  Here is EXACTLY 
> what
> it says:
>
> "you are focusing on a model's eye.  Suppose the distance on your lens
> barrel indicate  a distance of  one meter. However,  you do not want 
> the eye
> at the center of
> composition,  so you recompose your frame, and SHIFT THE CAMERA side 
> way.
> Now the model's eye shifted to one side
> of the frame."
>
> NOTE it says "SHIFT THE CAMERA side way[s]" (I added the 
> capitalization).
> It does NOT say "turn the camera", "turn your body" it says "SHIFT".  
> Shift,
> in this context, basically means to take a step to the side along the 
> same
> plane as the film.  In that context, the entire premise is simply 
> wrong.

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