Archived posting to the Leica Users Group, 2009/03/05

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Subject: [Leica] potential focus issues
From: leicachris at worldnet.att.net (Chris Williams)
Date: Thu, 5 Mar 2009 11:25:27 -0600
References: <DF43398C-52A9-4975-AEE7-F6B70980176A@reid.org> <02D78D3D-A764-4A71-BFFC-65E4D9F0712E@mac.com>
 
What George said, but also I see plenty of posts on wedding forums where the 
24-70 seems to back focus on 30D and 40D's. They end up sending in both lens 
and both to calibrate both, which if under warranty Canon should do for 
free.

Chris
NOLA

----- Original Message ----- 
From: "George Lottermoser" Subject: Re: [Leica] potential focus issues


Ruff test:
Lock it down on a tripod.
Pick the center focus spot.
Focus on 18" on a yard stick at 45?
This should indicate whether the lens is back focusing, front
focusing or dead on.

Once you know that - more discussion can follow.

Regards,
George Lottermoser
Replies: Reply from len-001 at verizon.net (Leonard Taupier) ([Leica] potential focus issues)
 In reply to: Message from elizabeth at reid.org (Elizabeth Reid) ([Leica] potential focus issues)
Message from imagist3 at mac.com (George Lottermoser) ([Leica] potential focus issues)