Archived posting to the Leica Users Group, 2002/01/11

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Subject: Re: [Leica] New diffraction element lens completely off topic
From: bachchaconne@my-deja.com
Date: Sat, 12 Jan 2002 15:14:00 +0800

Amazing!  Would probably get one for myself should I win the lottery.
I wonder what Erwin would say about this pic, considering his recent
comment that "all DOF tables are correct only up to 3x enlargement."

Andrew

>I had the opportunity to shoot with the new Canon 400mm IS diffraction
>element lens today.  Wow.  4.3 pounds for a 400mm F4.0 lens.  To find out
>what it could do I shot a few frames at 3.5 meters which is the close
>focusing point.  The exposure was at F4.0 at 1/8 sec.  The stabilizer at
>position 2 which is for panning, in other words not optimized for a
>portrait.  I think you will find it's quality for a completely hand held
>shot at 1/8 pretty amazing considering there was a challenge for a 50mm at
>1/4 sec.
>
>The URL is
>http://www.photo.net/photodb/photo?photo_id=514596
>
>No, its not a Leica, but it is at the limit of optical performance.
>
>Don Dory
>dorysrus@mindspring.com


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