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Re: [OM] Zuiko 21/3.5 test images

Subject: Re: [OM] Zuiko 21/3.5 test images
From: "Tom Trottier" <Tom@xxxxxxxxxxxxx>
Date: Tue, 25 Jun 2002 19:52:33 -0400
"Real" macro lenses are often used for slide or other flat matter 
copying, so yes, they do try to make them flat-field.

The others should just be called "close-focusing" - but sly makers call 
them "macro. 

tOM

On Friday, June 21, 2002 at 0:58, Winsor Crosby 
<olympus@xxxxxxxxxxxxxxx>
wrote re "Re: [OM] Zuiko 21/3.5 test images" saying:

> Isn't the reason for macro lenses, besides close focus, a flat field for
> copy, reproduction work? Normal lenses do not usually make good copy
> lenses because their fields are curved which is not a problem in
> ordinary photography. If that was an ordinary sized map then the 21/3.5
> must have been at the minimum focus distance. This is a super wide angle
> lens, not a macro lens or a telephoto. -- Winsor Crosby Long Beach,
> California

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