Archived posting to the Leica Users Group, 2005/10/06
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]>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
Feli, do you use Photokit Sharpener? Give it a try if you haven't
yet. It will show you what detail the 5D is capable of. The detail is
there.
--
* Henning J. Wulff
/|\ Wulff Photography & Design
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