Archived posting to the Leica Users Group, 2005/10/06

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Subject: [Leica] 5D shot
From: jdos2 at mindspring.com (Jeff Sumner)
Date: Thu Oct 6 14:30:48 2005

Your experience mirrors mine for both the 10D and the Fuji S3.




Em 10/6/05 4:30 PM, "feli" <feli2@earthlink.net> escrivou:

> False alarm.
> 
> I set up a tape measure and took a few shots of it from about a 45
> degree angle at f1.4 (100asa).
> My reference shot for sharpness was a shot taken at f8,which should
> be the sweet spot for the lens.
> It showed the 2ft mark clearly in focus.
> 
> At f1.4 I saw:
> 
> First I tried it with the AF, doing it's thing. The two foot mark was
> in focus with the numbers to it's left and right gradually getting
> softer. Looked pretty good.
> 
> Then I set the camera to motordrive and as it hammered away at 3ps, I
> very slowly racked from out
> of focus in front of the 2ft mark to out of focus beyond it. One of
> the frames at 2ft was as sharp as what
> I was getting from just the AF.
> 
> Then I tried to manually focus the lens. I managed one frame that was
> marginally sharper than the AF,
> but could not repeat that.
> 
> So, I'm going to draw these conclusions.
> 
> 
> The AF is only so accurate.
> 
> The camera may just ever so slightly front focus.
> 
> The 1.4/50 is no Summicron. I think I needed a Leica-R to Canon
> adapter...
> 
> The AA filter is killing some micro detail. Once you sharpen up the
> RAW files they become crisper.
> This would also explain why in tests, the DMR and Nikon 2DX appear to
> have a little more snap.
> 
> It sill is a very nice camera.
> 
> 
> Feli
> 
> 
> 
> 
> 
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