Archived posting to the Leica Users Group, 2000/11/30

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Subject: Re: [Leica] CoF and Macro
From: Douglas Herr <telyt560@cswebmail.com>
Date: 30 Nov 2000 07:51:39 -0800

On Wed, 29 November 2000, apbbeijing wrote, in part:

> 
> My experience is that the dual element close-up lenses are better at
> maintaining a flat field (for the lenses for which they are recommended by
> the manufacturer) than extension tubes and far better than single element
> close-up lenses. They are not as sharp as real macro lenses though and I do
> stop way down.
>

As you mentioned the 2-element Elpro lenses aren't as sharp as real macro lenses but they do reasonably well even when the lens is used at full aperture:

http://ourworld.compuserve.com/homepages/telyt/IRIS.HTM

This photo was made at 1/60 sec @ f/2.0, hand-held, and as moderate-sized prints (up to 7x10) the image quality is all one could need.  For someone who doesn't expect to do a lot of macro photography they're an appropriate choice.

Doug Herr
Birdman of Sacramento
http://ourworld.compuserve.com/homepages/telyt
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