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Re: [OM] Be afraid. Be very afraid

Subject: Re: [OM] Be afraid. Be very afraid
From: "John O Regan" <joreg@xxxxxxxxxxxx>
Date: Thu, 31 Jul 2003 21:46:40 +0100
Chuck Said

> With the DC focused on infinity the camera will want to view an object
> that appears to be at inifinity also.  If you're using a Zuiko as the
> supplementary lens set its focus to infinity.  Then place the object to
> be photographed where the film plane would normally be relative to the
> Zuiko...ie; 46mm behind the back of the lens mount.  If both lenses are
> coupled and focused at infinity then it doesn't matter which Zuiko you
> are using.  The image will always be in focus when it's 46mm from the
> back of the mount.
>
> If you move the object to be photographed farther than 46mm from the
> back of the Zuiko's mount then the image will be projected at a distance
> less than infinity and the focus of the DC will have to be changed to
> compensate.
>

Chuck

When you say it so explicitly it makes such easy reading. As usual, your
knowledgable contribution gets the message across. I run into you on other
forums (fora?), eg 2720 and olydigitals(various) and you are always a
pleasure to read.


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