Archived posting to the Leica Users Group, 2007/08/27

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Subject: [Leica] rats - probably bad M8 sensor IMG
From: faneuil at gmail.com (Eric Korenman)
Date: Mon Aug 27 10:52:18 2007
References: <82c9dd70708262021q4ff0ab49ge4bcbe2c088c7445@mail.gmail.com> <4729F188-30E6-4A8A-82AE-B19109CB21ED@comcast.net> <CDA814DB-A631-410B-9496-26400B3C9537@mac.com>

I agree- the banding is within expectations.

I am far more concerned about the fine line on the right containing a
pink/red dot.
The M8 is on its way to Leica, NJ
I will update the LUG and I get more info.

Eric


On 8/27/07, Lottermoser George <imagist3@mac.com> wrote:
>
> I agree with Leonard regarding the noise on CCD's. It really comes
> with the territory. Essentially when you ask a CCD to become
> increasingly "sensitive" you're increasing the "gain" and you'll see
> the results as noise. You'll see this even in the $20K CCD MF backs.
> If you want or need high ISO performance you really need to use the C-
> MOS sensor cameras. You'll then receive the trade-off in the mushy,
> plastic look which those sensors seem to deliver in the lower ISO range.
>
> While I wish the M8 delivered C-MOS results at high ISOs - I would
> not want to trade off the spectacular results achieved at 640 and
> below to achieve it.
>
> Our DMR went to the shop last week and I've been forced back to the
> 5D. All I can say is that I really miss the DMR. The 5D image files
> simply appear soft and mushy when compared to the DMR or M8 files.
> The color less "real" for my taste. The fine detail simply isn't
> there, even when using the same Leica R glass. Even though the high
> ISO quality is quite amazing and occasionally very useful.
>
> Each tool delivers according to its design and execution. Pushing the
> tool beyond its design limits results in less than ideal imaging.
> That's why, in the video world, one brings lights to the set rather
> than increase the gain.
>
> As far as the vertical line on the right with the questionable pixel
> (s) - that appears to be an issue to discuss with Leica.
>
> Regards,
> George Lottermoser
> george@imagist.com
>
>
>
> On Aug 27, 2007, at 10:39 AM, Leonard Taupier wrote:
>
> > I think what you are calling banding is just terrible noise
> > performance at ISO 2500.
>
>
> _______________________________________________
> Leica Users Group.
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>

In reply to: Message from faneuil at gmail.com (Eric Korenman) ([Leica] rats - probably bad M8 sensor IMG)
Message from len-1 at comcast.net (Leonard Taupier) ([Leica] rats - probably bad M8 sensor IMG)
Message from imagist3 at mac.com (Lottermoser George) ([Leica] rats - probably bad M8 sensor IMG)